:: Formulation of Cell Petri Nets
:: by Mitsuru Jitsukawa , Pauline N. Kawamoto and Yasunari Shidama
::
:: Received December 8, 2013
:: Copyright (c) 2013-2016 Association of Mizar Users
:: (Stowarzyszenie Uzytkownikow Mizara, Bialystok, Poland).
:: This code can be distributed under the GNU General Public Licence
:: version 3.0 or later, or the Creative Commons Attribution-ShareAlike
:: License version 3.0 or later, subject to the binding interpretation
:: detailed in file COPYING.interpretation.
:: See COPYING.GPL and COPYING.CC-BY-SA for the full text of these
:: licenses, or see http://www.gnu.org/licenses/gpl.html and
:: http://creativecommons.org/licenses/by-sa/3.0/.
environ
vocabularies TARSKI, RELAT_1, ARYTM_3, PETRI, PETRI_2, FUNCT_7, FUNCT_1,
FINSET_1, FUNCOP_1, ZFMISC_1, SUBSET_1, BOOLMARK, NUMBERS, XBOOLE_0,
FUNCT_2, FUNCT_4, PBOOLE, SETLIM_2, XXREAL_0, PETRI_3, PROB_2, MCART_1,
CARD_1, CARD_3, STRUCT_0, ARYTM_1;
notations TARSKI, XBOOLE_0, XTUPLE_0, ZFMISC_1, XCMPLX_0, SUBSET_1, RELAT_1,
FUNCT_1, RELSET_1, FUNCT_2, DOMAIN_1, MSAFREE4, FUNCOP_1, FUNCT_4,
FINSET_1, NUMBERS, NAT_1, XXREAL_0, PBOOLE, RELSET_2, STRUCT_0, PETRI,
PETRI_2, CARD_3;
constructors RELSET_1, DOMAIN_1, VALUED_1, PETRI_2, RELSET_2, FUNCT_4,
MSAFREE4;
registrations SUBSET_1, ORDINAL1, RELAT_1, RELSET_1, XBOOLE_0, XREAL_0,
PBOOLE, NAT_1, FUNCT_2, FINSET_1, PETRI, PETRI_2, XTUPLE_0, STRUCT_0,
INT_1, CHAIN_1;
requirements REAL, NUMERALS, SUBSET, BOOLE, ARITHM;
definitions TARSKI;
equalities PETRI, PETRI_2;
expansions PETRI, PETRI_2, TARSKI;
theorems PARTFUN1, TARSKI, ZFMISC_1, RELAT_1, XBOOLE_0, PETRI, FINSET_1,
FUNCT_1, FUNCT_2, XBOOLE_1, PBOOLE, FUNCT_4, FUNCOP_1, PETRI_2, XTUPLE_0,
CARD_3, MSAFREE4, RELSET_2, XREAL_1, INT_1, SUBSET_1;
schemes FUNCT_2, FUNCT_1, PBOOLE;
begin :: Preliminaries
definition
let I be non empty set;
let CPNTS be ManySortedSet of I;
attr CPNTS is Colored-PT-net-Family-like means
:Def11a:
for i be Element of I holds CPNTS.i is Colored-PT-net;
end;
registration
let I be non empty set;
cluster Colored-PT-net-Family-like for ManySortedSet of I;
existence
proof
deffunc F(set) = the Colored-PT-net;
consider X being ManySortedSet of I such that
A1: for d be Element of I holds X.d = F(d) from PBOOLE:sch 5;
take X;
thus thesis by A1;
end;
end;
definition
let I be non empty set;
mode Colored-PT-net-Family of I
is Colored-PT-net-Family-like ManySortedSet of I;
end;
definition
let I be non empty set;
let CPNTS be Colored-PT-net-Family of I;
let i be Element of I;
redefine func CPNTS.i -> Colored-PT-net;
correctness by Def11a;
end;
definition
let I be non empty set;
let CPNT be Colored-PT-net-Family of I;
attr CPNT is disjoint_valued means
for i, j be Element of I st i <> j holds
the carrier of (CPNT.i) misses the carrier of (CPNT.j) &
the carrier' of (CPNT.i) misses the carrier' of (CPNT.j);
end;
theorem LM01:
for I be set, F, D, R be ManySortedSet of I st
(for i be object st i in I holds
ex f be Function st f = F.i & dom f = D.i & rng f = R.i) &
(for i,j be object, f,g be Function st i in I & j in I &
i <> j & f = F.i & g = F.j holds dom(f) misses dom(g)) holds
ex G be Function st G = union rng F &
dom G = union rng D & rng G = union rng R &
for i, x be object, f be Function st i in I &
f = F.i & x in dom f
holds G.x = f.x
proof
let I be set, F, D, R be ManySortedSet of I;
assume
A1: for i be object st i in I holds
ex f be Function st f = F.i &
dom f = D.i & rng f = R.i;
assume
A2: for i, j be object, f, g be Function st i in I &
j in I & i <> j & f = F.i & g =F.j
holds dom(f) misses dom(g);
P0: dom F = I by PARTFUN1:def 2;
R0: dom R = I by PARTFUN1:def 2;
Q0: dom D = I by PARTFUN1:def 2;
P1: for z be object st z in union rng F
holds ex x, y, i be object st z = [x, y] & z in F.i & i in I
proof
let z be object;
assume z in union rng F;
then consider Z be set such that
P02: z in Z & Z in (rng F) by TARSKI:def 4;
consider i be object such that
P03: i in dom F & Z=F.i by P02, FUNCT_1:def 3;
consider f be Function such that
P05: f = F.i & dom f = D.i & rng f = R.i by P03, A1;
ex x, y be object st z = [x, y] by P02, P03, P05, RELAT_1:def 1;
hence thesis by P02, P03;
end;
for z be object st z in union rng F
holds ex x, y be object st z = [x, y]
proof
let z be object;
assume z in union rng F; then
ex x, y, i be object st z = [x, y] & z in F.i & i in I by P1;
hence thesis;
end;
then
reconsider G = union rng F as Relation by RELAT_1:def 1;
G is Function
proof
for x, y1, y2 be object st [x, y1] in G & [x, y2] in G holds y1 = y2
proof
let x, y1, y2 be object;
assume
P01: [x, y1] in G & [x, y2] in G;
then
consider a1, b1, i be object such that
P02: [x, y1] = [a1, b1] & [x, y1] in F.i & i in I by P1;
consider a2, b2, j be object such that
P03: [x, y2] = [a2, b2] & [x, y2] in F.j & j in I by P1, P01;
consider f be Function such that
P04: f = F.i & dom f = D.i & rng f = R.i by A1, P02;
consider g be Function such that
P05: g = F.j & dom g = D.j & rng g = R.j by A1, P03;
i = j
proof
assume
Q04: i <> j;
P041: x in D.i by P02, P04, XTUPLE_0:def 12;
P042: x in D.j by P03, P05, XTUPLE_0:def 12;
D.i /\ D.j = {}
by P02, P03, P04, P05, Q04, A2, XBOOLE_0:def 7;
hence contradiction by P041, P042, XBOOLE_0:def 4;
end;
hence y1 = y2 by P02, P03, P04, FUNCT_1:def 1;
end;
hence thesis by FUNCT_1:def 1;
end;
then
reconsider G as Function;
take G;
thus G = union rng F;
for x be object holds x in dom G iff x in union rng D
proof
let x be object;
hereby
assume x in dom G;
then
consider y be object such that
S2: [x, y] in G by XTUPLE_0:def 12;
consider a, b, i be object such that
S3: [x, y] = [a, b] & [x, y] in F.i & i in I by P1, S2;
consider f be Function such that
S4: f = F.i & dom f = D.i & rng f = R.i by A1, S3;
S5: x in D.i by S3, S4, XTUPLE_0:def 12;
D.i in rng D by Q0, S3, FUNCT_1:3;
hence x in union rng D by S5, TARSKI:def 4;
end;
assume x in union rng D;
then consider Z be set such that
S6: x in Z & Z in rng D by TARSKI:def 4;
consider i be object such that
S7: i in dom D & Z=D.i by S6, FUNCT_1:def 3;
consider f be Function such that
S9: f = F.i & dom f = D.i & rng f = R.i by S7, A1;
consider y be object such that
S11: [x, y] in f by S6, S7, S9, XTUPLE_0:def 12;
F.i in rng F by FUNCT_1:3, P0, S7;
then
[x, y] in G by S9, S11, TARSKI:def 4;
hence x in dom G by XTUPLE_0:def 12;
end;
hence dom G = union rng D by TARSKI:2;
for x be object holds x in rng G iff x in union rng R
proof
let x be object;
hereby
assume x in rng G;
then
consider y be object such that S2: [y, x] in G by XTUPLE_0:def 13;
consider a, b, i be object such that
S3: [y, x] = [a, b] & [y, x] in F.i & i in I by P1,S2;
consider f be Function such that
S4: f = F.i & dom f = D.i & rng f = R.i by A1, S3;
S5: x in R.i by S3, S4, XTUPLE_0:def 13;
R.i in rng R by R0, S3, FUNCT_1:3;
hence x in union rng R by S5,TARSKI:def 4;
end;
assume x in union rng R;
then consider Z be set such that
S6: x in Z & Z in rng R by TARSKI:def 4;
consider i be object such that
S7: i in dom R & Z=R.i by S6,FUNCT_1:def 3;
consider f be Function such that
S9: f = F.i & dom f = D.i & rng f = R.i by S7, A1;
consider y be object such that
S11: [y, x] in f by S6, S7, S9, XTUPLE_0:def 13;
F.i in rng F by FUNCT_1:3, P0, S7; then
[y, x] in G by S9, S11, TARSKI:def 4;
hence x in rng G by XTUPLE_0:def 13;
end;
hence rng G = union rng R by TARSKI:2;
thus for i, x be object, f be Function st i in I & f = F.i &
x in dom f holds G.x = f.x
proof
let i, x be object, f be Function;
assume
A1: i in I & f = F.i & x in dom f; then
P2: [x, f.x] in F.i by FUNCT_1:1;
F.i in rng F by FUNCT_1:3, A1, P0; then
[x, f.x] in G by P2, TARSKI:def 4;
hence G.x = f.x by FUNCT_1:1;
end;
end;
theorem LM03:
for I be set, Y, Z be ManySortedSet of I st
(for i, j be object st i in I & j in I &
i <> j holds Y. i /\ Z.j = {})
holds Union (Y (\) Z) = (Union Y) \ (Union Z)
proof
let I be set, Y, Z be ManySortedSet of I;
set X = Y (\) Z;
assume
A2: for i, j be object st i in I & j in I & i <> j
holds Y.i /\ Z.j = {};
P0: dom X = I by PARTFUN1:def 2;
R0: dom Y = I by PARTFUN1:def 2;
Q0: dom Z = I by PARTFUN1:def 2;
x: for x be object
holds x in union rng X iff x in (union rng Y) \ (union rng Z)
proof
let x be object;
hereby
assume x in union rng X; then
consider K be set such that
S61: x in K and
S62: K in rng X by TARSKI:def 4;
consider i be object such that
S7: i in dom X and
S71: K = X.i by FUNCT_1:def 3, S62;
set W = Y.i;
V1: X.i = Y.i \ Z.i by PBOOLE:def 6, S7;
S82: W in rng Y by FUNCT_1:3, R0, S7;
S9: x in union rng Y by TARSKI:def 4, S71, S61, V1, S82;
not x in union rng Z
proof
assume x in union rng Z;
then consider L be set such that
S101: x in L and
S102: L in rng Z by TARSKI:def 4;
consider j be object such that
S112: j in dom Z and
S113: L = Z.j by S102, FUNCT_1:def 3;
per cases;
suppose
i = j;
hence contradiction by V1, S61, S71, XBOOLE_0:def 5, S101, S113;
end;
suppose i <> j;
then Y.i /\ Z.j = {} by A2, S7, S112;
hence contradiction by XBOOLE_0:def 4, S113, S101, S71, S61, V1;
end;
end;
hence x in (union rng Y) \ (union rng Z) by S9, XBOOLE_0:def 5;
end;
assume
A03: x in (union rng Y) \ (union rng Z);
then
A3: x in (union rng Y) & not x in union rng Z by XBOOLE_0:def 5;
consider K be set such that
S6: x in K & K in rng Y by TARSKI:def 4, A03;
consider i be object such that
S7: i in dom Y & K=Y.i by S6, FUNCT_1:def 3;
not x in Z.i
proof
assume
S81: x in Z.i;
Z.i in rng Z by S7, Q0, FUNCT_1:3;
hence contradiction by A3, S81, TARSKI:def 4;
end;
then
S9: x in Y.i \ Z.i by S6,S7,XBOOLE_0:def 5;
S10: x in X.i by S7, S9, PBOOLE:def 6;
X.i in rng X by S7, P0, FUNCT_1:3;
hence x in union rng X by S10, TARSKI:def 4;
end;
Union X = union rng X & Union Y = union rng Y &
Union Z = union rng Z by CARD_3:def 4;
hence thesis by x,TARSKI:2;
end;
theorem LM04:
for I be set, X, Y, Z be ManySortedSet of I st (X c= (Y (\) Z) &
(for i, j be object st i in I & j in I &
i <> j holds Y.i /\ Z.j = {}))
holds Union(X) c= (Union Y) \ (Union Z)
proof
let I be set, X, Y, Z be ManySortedSet of I;
assume X c= Y (\) Z; then
B1: Union X c= Union (Y (\) Z) by MSAFREE4:1;
assume for i, j be object st i in I & j in I & i <> j
holds Y.i /\ Z.j = {};
hence thesis by LM03, B1;
end;
begin :: Synthesis of CPNT, I
LMXorDelta:
for I be non trivial set ex i, j be Element of I st i <> j
proof
let I be non trivial set;
ex x, y be object st x in I & y in I & x <> y by ZFMISC_1:def 10;
hence thesis;
end;
definition
let I be non trivial set;
func XorDelta(I) -> non empty set equals
{[i, j] where i,j is Element of I : i <> j};
correctness
proof
consider i, j be Element of I such that
A1: i <> j by LMXorDelta;
[i, j] in {[i, j] where i, j is Element of I:i <> j} by A1;
hence thesis;
end;
end;
theorem SYLM2:
for I be non trivial finite set,
CPNT be Colored-PT-net-Family of I holds
union {Funcs(Outbds(CPNT.i), the carrier of CPNT.j)
where i, j is Element of I : i <> j} is non empty
proof
let I be non trivial finite set;
let CPNT be Colored-PT-net-Family of I;
deffunc F(Element of I, Element of I) =
Funcs(Outbds(CPNT.$1), the carrier of CPNT.$2);
consider i0, j0 be Element of I such that
I0J0: i0 <> j0 by LMXorDelta;
set O12 = the Function of Outbds(CPNT.i0), the carrier of CPNT.j0;
F(i0, j0) in {F(i, j) where i, j is Element of I:i <> j} by I0J0;
then F(i0, j0) c= union
{F(i, j) where i, j is Element of I:i <> j} by ZFMISC_1:74;
hence thesis;
end;
definition
let I be non trivial finite set;
let CPNT be Colored-PT-net-Family of I;
mode connecting-mapping of CPNT -> ManySortedSet of XorDelta(I) means
:Defcntmap:
rng it c= union
{Funcs(Outbds(CPNT.i), the carrier of CPNT.j)
where i, j is Element of I : i <> j} &
for i,j be Element of I st i <> j
holds it.[i, j] is Function of Outbds(CPNT.i), the carrier of CPNT.j;
existence
proof
deffunc F(Element of I,Element of I) =
Funcs(Outbds(CPNT.$1), the carrier of CPNT.$2);
set X = XorDelta(I);
set Y = union {F(i, j) where i, j is Element of I:i <> j};
defpred P[object,object] means
ex i, j be Element of I st
$1=[i, j] & $2 is Function of Outbds(CPNT.i),
the carrier of CPNT.j;
P1: for x being object st x in X ex y being object st
y in Y & P[x, y]
proof
let x be object;
assume x in X; then
consider i, j be Element of I such that
P11: x = [i, j] & i <> j;
set O12 = the Function of
Outbds(CPNT. i), the carrier of CPNT.j;
P12: O12 in F(i, j) by FUNCT_2:8;
F(i, j) in {F(i, j) where i, j is Element of I:i <> j} by P11;
then
O12 in Y by TARSKI:def 4, P12;
hence thesis by P11;
end;
consider f being Function of X,Y such that
P2: for x being object st x in X holds P[x, f.x] from FUNCT_2:sch 1(P1);
X2: Y <> {} by SYLM2;
then reconsider f as ManySortedSet of XorDelta(I);
take f;
f in Funcs(X, Y) by X2,FUNCT_2:8;
then
ex f0 being Function st f = f0 & dom f0 = X & rng f0 c= Y
by FUNCT_2:def 2;
hence rng f c= Y;
thus for i, j be Element of I st i <> j
holds f.[i, j] is Function of Outbds(CPNT.i), the carrier of CPNT.j
proof
let i, j be Element of I;
assume
ASIJ: i <> j;
[i, j] in X by ASIJ; then
consider i1, j1 be Element of I such that
P4: [i, j]=[i1, j1] & f.[i, j] is Function of
Outbds(CPNT.i1), the carrier of CPNT.j1 by P2;
i = i1 & j = j1 by XTUPLE_0:1,P4;
hence thesis by P4;
end;
end;
end;
theorem SYLM3:
for CPNT1, CPNT2 be Colored-PT-net,
O12 be Function of Outbds(CPNT1), the carrier of CPNT2,
q12 be Function st
dom q12=Outbds(CPNT1) &
for t01 be transition of CPNT1 st t01 is outbound
holds q12.t01 is Function of thin_cylinders(the ColoredSet of CPNT1,
*'{t01}), thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01)) holds
q12 in Funcs(Outbds(CPNT1),
union {Funcs(thin_cylinders(the ColoredSet of CPNT1,*'{t01}),
thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01)))
where t01 is transition of CPNT1:t01 is outbound})
proof
let CPNT1, CPNT2 be Colored-PT-net,
O12 be Function of Outbds(CPNT1), the carrier of CPNT2,
q12 be Function;
assume
P1: dom q12=Outbds(CPNT1);
assume
P2: for t01 be transition of CPNT1 st t01 is outbound
holds q12.t01 is
Function of thin_cylinders(the ColoredSet of CPNT1,
*'{t01}), thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01));
now let y be object;
assume y in rng q12; then
consider t01 being object such that
P11: t01 in dom q12 & y = q12.t01 by FUNCT_1:def 3;
reconsider t01 as transition of CPNT1 by P1, P11;
p12: ex x be transition of CPNT1
st x = t01 & x is outbound by P1,P11;
q12.t01 is Function of thin_cylinders(the ColoredSet of CPNT1,
*'{t01}), thin_cylinders(the ColoredSet of CPNT1, Im(O12, t01))
by P2, p12; then
P13: q12.t01 in Funcs(thin_cylinders(the ColoredSet of CPNT1,
*'{t01}), thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01)))
by FUNCT_2:8;
Funcs(thin_cylinders(the ColoredSet of CPNT1,
*'{t01}), thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01))) in
{Funcs(thin_cylinders(the ColoredSet of CPNT1,*'{t01}),
thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01)))
where t01 is transition of CPNT1 : t01 is outbound } by p12;
hence y in
union {Funcs(thin_cylinders(the ColoredSet of CPNT1,*'{t01}),
thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01)))
where t01 is transition of CPNT1 : t01 is outbound }
by P11, P13, TARSKI:def 4;
end;
then rng q12 c= union {
Funcs(thin_cylinders( the ColoredSet of CPNT1,*'{t01}),
thin_cylinders(the ColoredSet of CPNT1, Im(O12,t01)))
where t01 is transition of CPNT1 : t01 is outbound };
hence thesis by FUNCT_2:def 2, P1;
end;
definition
let I be non trivial finite set;
let CPNT be Colored-PT-net-Family of I;
let O be connecting-mapping of CPNT;
mode connecting-firing-rule of O -> ManySortedSet of XorDelta(I) means
:Defcntfir:
for i, j be Element of I st i <> j holds
ex Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
qij be Function st qij =it.[i, j] & Oij = O.[i, j] &
dom (qij)=Outbds(CPNT.i) &
for t01 be transition of CPNT.i
st t01 is outbound holds qij.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01));
existence
proof
deffunc X(Element of I,Element of I) =
{Funcs(Outbds(CPNT.$1),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.$1,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.$1, Im(O12, t01)))
where t01 is transition of CPNT.$1 : t01 is outbound })
where O12 is Function of Outbds(CPNT.$1), the carrier of CPNT.$2:
O.[$1,$2] =O12};
R1: for i, j be Element of I,
Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
q be Function st Oij = O.[i, j] & dom q =Outbds(CPNT.i) &
for t01 be transition of CPNT.i st t01 is outbound
holds q.t01 is Function of
thin_cylinders(the ColoredSet of CPNT.i, *'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01))
holds q in union X(i,j)
proof
let i, j be Element of I,
Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
q be Function;
assume A1: Oij = O.[i, j] & dom q =Outbds(CPNT.i) &
for t01 be transition of CPNT.i st t01 is outbound holds q.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(Oij, t01));
P1: q in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij, t01)))
where t01 is transition of CPNT.i:t01 is outbound}) by SYLM3, A1;
Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij, t01)))
where t01 is transition of CPNT.i:t01 is outbound})
in X(i, j) by A1;
hence q in union X(i, j) by P1,TARSKI:def 4;
end;
consider i0, j0 be Element of I such that
I0J0: i0 <> j0 by LMXorDelta;
reconsider Oi0j0 = O.[i0, j0] as
Function of Outbds(CPNT.i0), the carrier of CPNT.j0 by I0J0, Defcntmap;
reconsider Oj0i0 = O.[j0, i0] as
Function of Outbds(CPNT.j0), the carrier of CPNT.i0
by I0J0, Defcntmap;
reconsider O0= [Oi0j0,Oj0i0] as
connecting-mapping of CPNT.i0, CPNT.j0 by PETRI_2:def 13;
set q0 = the connecting-firing-rule of CPNT.i0, CPNT.j0, O0;
consider q12, q21 be Function,
O12 be Function of Outbds(CPNT.i0), the carrier of CPNT.j0,
O21 be Function of Outbds(CPNT.j0), the carrier of CPNT.i0 such that
X0: O0=[O12, O21] &
dom q12=Outbds(CPNT.i0) & dom q21=Outbds(CPNT.j0) &
(for t01 be transition of CPNT.i0 st t01 is outbound holds
q12.t01 is Function of
thin_cylinders(the ColoredSet of CPNT.i0,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i0, Im(O12,t01))) &
(for t02 be transition of CPNT.j0 st t02 is outbound holds
q21.t02 is Function of
thin_cylinders(the ColoredSet of CPNT.j0, *'{t02}),
thin_cylinders(the ColoredSet of CPNT.j0, Im(O21,t02))) &
q0=[q12, q21] by PETRI_2:def 14;
x1: Oi0j0 =O0`1
.= O12 by X0;
union X(i0,j0) in
{union X(i, j) where i, j is Element of I:i <> j} by I0J0;
then union X(i0, j0) c= union
{union X(i, j) where i, j is Element of I:i <> j} by ZFMISC_1:74;
then
reconsider Y = union {union X(i, j) where i, j is Element of I:i <> j}
as non empty set by x1,X0, R1;
R2: for i, j be Element of I,
Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
q be Function st i <> j & Oij = O.[i, j] &
dom q =Outbds(CPNT.i) &
for t01 be transition of CPNT.i st t01 is outbound
holds q.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01))
holds q in Y
proof
let i, j be Element of I,
Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
q be Function;
assume
A1: i <> j & Oij = O.[i, j] &
dom q =Outbds(CPNT.i) &
for t01 be transition of CPNT.i st t01 is outbound
holds q.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij, t01));
then
A2: q in union X(i, j) by R1;
union X(i, j) in
{union X(i, j) where i, j is Element of I:i <> j} by A1;
hence thesis by A2, TARSKI:def 4;
end;
defpred P[object, object] means
ex i, j be Element of I,
Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
qij be Function st $1=[i, j] & Oij = O.[i, j] & qij=$2 & i <> j &
dom qij = Outbds(CPNT.i) &
for t01 be transition of CPNT.i st t01 is outbound
holds qij.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i, *'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij, t01));
P1: for x being object st x in XorDelta(I)
ex y being object st y in Y & P[x, y]
proof
let x be object;
assume x in XorDelta(I);
then consider i, j be Element of I such that
P11: x = [i, j] & i <> j;
reconsider Oij = O.[i, j] as
Function of Outbds(CPNT.i), the carrier of CPNT.j by P11, Defcntmap;
reconsider Oji = O.[j, i] as
Function of Outbds(CPNT.j), the carrier of CPNT.i by P11, Defcntmap;
reconsider O0= [Oij, Oji] as connecting-mapping of CPNT.i,CPNT.j
by PETRI_2:def 13;
set q0 = the connecting-firing-rule of CPNT.i, CPNT.j, O0;
consider q12, q21 be Function,
O12 be Function of Outbds(CPNT.i), the carrier of CPNT.j,
O21 be Function of Outbds(CPNT.j), the carrier of CPNT.i such that
X0: O0=[O12, O21] &
dom q12 = Outbds(CPNT.i) & dom q21 = Outbds(CPNT.j) &
(for t01 be transition of CPNT.i st t01 is outbound holds
q12.t01 is Function of
thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(O12, t01))) &
(for t02 be transition of CPNT.j
st t02 is outbound holds q21.t02 is Function of
thin_cylinders(the ColoredSet of CPNT.j, *'{t02}),
thin_cylinders(the ColoredSet of CPNT.j, Im(O21, t02))) &
q0=[q12, q21] by PETRI_2:def 14;
Oij =O0`1
.= O12 by X0;
hence thesis by X0, P11, R2;
end;
consider f being Function of XorDelta(I), Y such that
P2: for x being object st x in XorDelta(I) holds P[x, f.x]
from FUNCT_2:sch 1(P1);
reconsider f as ManySortedSet of XorDelta(I);
take f;
thus for i, j be Element of I st i <> j holds
ex Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
qij be Function st
qij = f.[i,j] &
Oij = O.[i,j] &
dom (qij)=Outbds(CPNT.i) &
for t01 be transition of CPNT.i st t01 is outbound
holds qij.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01))
proof
let i, j be Element of I;
assume i <> j; then
p04: [i, j] in XorDelta(I);
consider i1, j1 be Element of I,
Oij be Function of Outbds(CPNT.i1), the carrier of CPNT.j1,
qij be Function such that
P4: [i, j] = [i1, j1] &
Oij = O.[i1, j1] &
qij = f.[i, j] &
i1 <> j1 &
dom qij = Outbds(CPNT.i1) &
for t01 be transition of CPNT.i1
st t01 is outbound holds qij.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i1,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i1, Im(Oij,t01)) by p04,P2;
i = i1 & j = j1 by XTUPLE_0:1, P4;
hence thesis by P4;
end;
end;
end;
LMQ1:
for I be non trivial finite set,
CPNT be Colored-PT-net-Family of I
st CPNT is disjoint_valued holds
for O be connecting-mapping of CPNT
for q be connecting-firing-rule of O st
for i, j1, j2 be Element of I st i <> j1 & i <> j2 &
(ex x,y1, y2 be object st
[x, y1] in q.[i, j1] & [x, y2] in q.[i, j2]) holds j1 = j2
holds
union rng q is Function &
for z be object st z in union rng q
holds ex i, j be Element of I,
q12 be Function,
O12 be Function of Outbds(CPNT.i), the carrier of CPNT.j
st i <> j &
( for t01 be transition of CPNT.i
st t01 is outbound holds q12.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01))) &
q12 in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01)))
where t01 is transition of CPNT.i : t01 is outbound }) &
q12 = q.[i, j] &
O12 = O.[i, j] &
z in q12
proof
let I be non trivial finite set,
CPNT be Colored-PT-net-Family of I;
assume
AS0: CPNT is disjoint_valued;
let O be connecting-mapping of CPNT;
let q be connecting-firing-rule of O;
assume
AS1: for i, j1, j2 be Element of I st i <> j1 & i <> j2 &
(ex x, y1, y2 be object st
[x, y1] in q.[i, j1] & [x, y2] in q.[i, j2] )
holds j1 = j2;
E1: for RQ be object st RQ in rng q holds
ex i, j be Element of I,
Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
qij be Function st
i <> j &
( for t01 be transition of CPNT.i st t01 is outbound
holds qij.t01 is Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01))) &
qij in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01)))
where t01 is transition of CPNT.i:t01 is outbound}) &
RQ = q.[i,j] &
q.[i, j] = qij &
O.[i, j] = Oij
proof
let RQ be object;
assume RQ in rng q; then
consider z be object such that
E2: z in dom q & RQ=q.z by FUNCT_1:def 3;
z in XorDelta(I) by E2; then
consider i, j be Element of I such that
E3: z = [i, j] & i <> j;
consider Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
qij be Function such that
E4: qij =q.[i, j] &
Oij = O.[i, j] &
dom (qij)=Outbds(CPNT.i) &
for t01 be transition of CPNT.i
st t01 is outbound holds qij.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(Oij, t01))
by E3, Defcntfir;
qij in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i, *'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01) ) )
where t01 is transition of CPNT.i:t01 is outbound}) by SYLM3, E4;
hence thesis by E2, E3, E4;
end;
E5: for z be object st z in union rng q
holds ex i,j be Element of I,
q12 be Function,
O12 be Function of Outbds(CPNT.i), the carrier of CPNT.j
st i <> j &
(for t01 be transition of CPNT.i
st t01 is outbound holds q12.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01))) &
q12 in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01)))
where t01 is transition of CPNT.i:t01 is outbound}) &
q12 = q.[i, j] &
O12 = O.[i, j] &
z in q12
proof
let z be object;
assume z in union rng q; then
consider Z be set such that
E6: z in Z & Z in rng q by TARSKI:def 4;
consider i, j be Element of I,
Oij be Function of Outbds(CPNT.i), the carrier of CPNT.j,
qij be Function such that
E8: i <> j &
(for t01 be transition of CPNT.i st t01 is outbound holds qij.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01))) &
qij in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i, *'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(Oij,t01)))
where t01 is transition of CPNT.i:t01 is outbound }) &
Z = q.[i, j] &
q.[i, j] = qij &
O.[i, j] = Oij by E1, E6;
thus thesis by E6, E8;
end;
for z be object
st z in union rng q holds ex x, y be object st z = [x, y]
proof
let z be object;
assume z in union rng q;
then
consider i, j be Element of I,
q12 be Function,
O12 be Function of Outbds(CPNT.i), the carrier of CPNT.j such that
U1: i <> j &
(for t01 be transition of CPNT.i st t01 is outbound holds q12.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(O12, t01))) &
q12 in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders( the ColoredSet of CPNT.i, *'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01) ) )
where t01 is transition of CPNT.i:t01 is outbound}) &
q12 = q.[i, j] &
O12 = O.[i, j] &
z in q12 by E5;
thus ex x, y be object st z = [x, y] by U1, RELAT_1:def 1;
end;
then reconsider G1 = union rng q as Relation by RELAT_1:def 1;
for x, y1, y2 be object st [x,y1] in G1 &
[x, y2] in G1 holds y1 = y2
proof
let x, y1, y2 be object;
assume
P01: [x, y1] in G1 &
[x, y2] in G1;
then consider i1, j1 be Element of I,
q121 be Function,
O121 be Function of Outbds(CPNT.i1), the carrier of CPNT.j1 such that
U11: i1 <> j1 &
(for t01 be transition of CPNT.i1
st t01 is outbound holds q121.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i1,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i1, Im(O121,t01))) &
q121 in Funcs(Outbds(CPNT.i1),
union {Funcs(thin_cylinders( the ColoredSet of CPNT.i1,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i1, Im(O121,t01)))
where t01 is transition of CPNT.i1:t01 is outbound}) &
q121 = q.[i1,j1] &
O121 = O.[i1,j1] &
[x,y1] in q121 by E5;
consider i2, j2 be Element of I,
q122 be Function,
O122 be Function of Outbds(CPNT.i2), the carrier of CPNT.j2 such that
U12: i2 <> j2 &
( for t01 be transition of CPNT.i2
st t01 is outbound holds q122.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i2,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i2, Im(O122, t01))) &
q122 in Funcs(Outbds(CPNT.i2),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i2, *'{t01}),
thin_cylinders(the ColoredSet of CPNT.i2, Im(O122,t01)))
where t01 is transition of CPNT.i2:t01 is outbound}) &
q122 = q.[i2, j2] &
O122 = O.[i2, j2] &
[x, y2] in q122 by E5, P01;
x in dom q121 by U11, XTUPLE_0:def 12;
then
s1: x in Outbds(CPNT.i1) by U11, FUNCT_2:92;
x in dom q122 by U12, XTUPLE_0:def 12; then
s2: x in Outbds(CPNT.i2) by U12, FUNCT_2:92;
i1 = i2
proof
assume i1 <> i2; then
(the carrier' of CPNT.i1) /\ (the carrier' of CPNT.i2) = {}
by AS0,XBOOLE_0:def 7;
hence contradiction by XBOOLE_0:def 4, s1, s2;
end;
then
[x, y2] in q121 by U12, U11, AS1;
hence y1=y2 by U11,FUNCT_1:def 1;
end;
hence thesis by E5, FUNCT_1:def 1;
end;
LMQ1A:
for I be non trivial finite set,
CPNT be Colored-PT-net-Family of I holds
for O be connecting-mapping of CPNT
for q be connecting-firing-rule of O
for F be Function st F = union rng q holds
for g be Function, x be object, i, j be Element of I
st i <> j & g = q.[i, j] & x in dom g
holds F.x = g.x
proof
let I be non trivial finite set,
CPNT be Colored-PT-net-Family of I;
let O be connecting-mapping of CPNT;
let q be connecting-firing-rule of O;
let F be Function;
assume
AS2: F = union rng q;
let g be Function, x be object, i, j be Element of I;
assume
A41: i <> j & g= q.[i, j] & x in dom g;
A42: [x, g.x ] in q.[i, j] by A41, FUNCT_1:def 2;
[i, j] in XorDelta(I) by A41; then
[i, j] in dom q by PARTFUN1:def 2; then
q.[i, j] in rng q by FUNCT_1:3; then
A43: [x, g.x] in F by AS2, A42, TARSKI:def 4; then
x in dom F by XTUPLE_0:def 12;
hence g.x = F.x by A43, FUNCT_1:def 2;
end;
begin :: Extension to a family of colored Petri nets
definition
let I be non trivial finite set;
let CPNT be Colored-PT-net-Family of I;
let O be connecting-mapping of CPNT;
let q be connecting-firing-rule of O;
assume
AS: CPNT is disjoint_valued &
for i, j1, j2 be Element of I st i <> j1 & i <> j2 &
(ex x, y1, y2 be object st
[x, y1] in q.[i, j1] & [x, y2] in q.[i, j2]) holds j1 = j2;
func synthesis(q) -> strict Colored-PT-net means
ex P, T, ST, TS, CS, F be ManySortedSet of I,
UF, UQ be Function st
( for i be Element of I holds
P.i = the carrier of CPNT.i &
T.i = the carrier' of CPNT.i &
ST.i = the S-T_Arcs of CPNT.i &
TS.i = the T-S_Arcs of CPNT.i &
CS.i = the ColoredSet of CPNT.i &
F.i = the firing-rule of CPNT.i ) &
UF = union rng F &
UQ = union rng q &
the carrier of it = union rng P &
the carrier' of it = union rng T &
the S-T_Arcs of it = union rng ST &
the T-S_Arcs of it = (union rng TS ) \/ (union rng O ) &
the ColoredSet of it = union rng CS &
the firing-rule of it = UF +* UQ;
existence
proof
deffunc F1(Element of I) = the carrier of (CPNT.$1);
consider P be ManySortedSet of I such that
AS1: for i be Element of I holds P.i = F1(i) from PBOOLE:sch 5;
deffunc F2(Element of I) = the carrier' of CPNT.$1;
consider T be ManySortedSet of I such that
AS2: for i be Element of I holds T.i = F2(i) from PBOOLE:sch 5;
deffunc F3(Element of I)=the S-T_Arcs of CPNT.$1;
consider ST be ManySortedSet of I such that
AS3: for i be Element of I holds ST.i = F3(i) from PBOOLE:sch 5;
deffunc F4(Element of I)=the T-S_Arcs of CPNT.$1;
consider TS be ManySortedSet of I such that
AS4: for i be Element of I holds TS.i = F4(i) from PBOOLE:sch 5;
deffunc F5(Element of I)=the ColoredSet of CPNT.$1;
consider CS be ManySortedSet of I such that
AS5: for i be Element of I holds CS.i = F5(i) from PBOOLE:sch 5;
deffunc G1(Element of I)=the firing-rule of CPNT.$1;
consider F be ManySortedSet of I such that
AS6: for i be Element of I holds F.i = G1(i) from PBOOLE:sch 5;
deffunc G2(Element of I)=dom(the firing-rule of CPNT.$1);
consider DM be ManySortedSet of I such that
DM1: for i be Element of I holds DM.i = G2(i) from PBOOLE:sch 5;
deffunc G3(Element of I)=rng(the firing-rule of CPNT.$1);
consider RG be ManySortedSet of I such that
RG1: for i be Element of I holds RG.i = G3(i) from PBOOLE:sch 5;
set i = the Element of I;
P.i = the carrier of (CPNT.i) by AS1;
then
consider x be object such that
S1: x in (P.i) by XBOOLE_0:def 1;
reconsider P0 = union rng P as non empty set by S1, TARSKI:def 4;
set i = the Element of I;
T.i = the carrier' of (CPNT.i) by AS2;
then
consider x be object such that
S2: x in (T.i) by XBOOLE_0:def 1;
reconsider T0 = union rng T as non empty set by S2, TARSKI:def 4;
s: for X be set st X in rng ST holds X c= [:P0, T0:]
proof
let X be set;
assume X in rng ST; then
consider i be object such that
L1: i in dom ST & X = ST.i by FUNCT_1:def 3;
reconsider i as Element of I by L1;
l2: X = the S-T_Arcs of CPNT.i by L1, AS3;
l3: the carrier' of (CPNT.i) = T.i &
the carrier of (CPNT.i) = P.i by AS1,AS2;
L4: T.i c= T0 by ZFMISC_1:74;
P.i c= P0 by ZFMISC_1:74;
then
[:P.i, T.i:] c= [:P0, T0:] by L4,ZFMISC_1:96;
hence X c= [:P0, T0:] by l3,l2;
end;
set i = the Element of I;
ST.i = the S-T_Arcs of (CPNT.i) by AS3;
then
consider x be object such that
S1: x in ST.i by XBOOLE_0:def 1;
reconsider ST0 = union rng ST as non empty Relation of P0, T0
by S1, TARSKI:def 4, s,ZFMISC_1:76;
for X be set st X in rng TS holds X c= [:T0, P0:]
proof
let X be set;
assume X in rng TS;
then
consider i be object such that
L1: i in dom TS & X = TS.i by FUNCT_1:def 3;
reconsider i as Element of I by L1;
l2: X = the T-S_Arcs of CPNT.i by L1, AS4;
l3: the carrier' of (CPNT.i) = T.i &
the carrier of (CPNT.i) = P.i by AS1, AS2;
L4: T.i c= T0 by ZFMISC_1:74;
P.i c= P0 by ZFMISC_1:74;
then
[:T.i, P.i:] c= [:T0, P0:] by L4, ZFMISC_1:96;
hence X c= [:T0, P0:] by l3,l2;
end;
then
PTS0: union rng TS c= [:T0, P0:] by ZFMISC_1:76;
for X be set st X in (rng O) holds X c= [:T0, P0:]
proof
let X be set;
assume X in rng O;
then
consider z be object such that
L1: z in dom O & X =O.z by FUNCT_1:def 3;
z in XorDelta(I) by L1;
then
consider i, j be Element of I such that
L11: z=[i, j] & i <> j;
l12: O.[i, j] is Function of Outbds(CPNT.i), the carrier of CPNT.j
by L11, Defcntmap;
L14: the carrier' of (CPNT.i) = T.i &
the carrier of (CPNT.j) = P.j by AS1, AS2;
L4: T.i c= T0 by ZFMISC_1:74;
P.j c= P0 by ZFMISC_1:74;
then
L13: [:T.i, P.j:] c= [:T0, P0:] by L4, ZFMISC_1:96;
[:Outbds(CPNT.i), the carrier of CPNT.j:] c=
[:T.i, P.j:] by L14, ZFMISC_1:96;
hence X c= [:T0, P0:] by L13,l12,L11,L1;
end;
then
t: union rng O c= [:T0, P0:] by ZFMISC_1:76;
set i = the Element of I;
TS.i = the T-S_Arcs of (CPNT.i) by AS4;
then consider x be object such that
S1: x in TS.i by XBOOLE_0:def 1;
x in union rng TS by S1, TARSKI:def 4;
then
reconsider TS0 = (union rng TS) \/ (union rng O)
as non empty Relation of T0, P0 by t,PTS0, XBOOLE_1:8;
LL0: for X be set st X in rng CS holds X is finite
proof
let X be set;
assume X in rng CS;
then
consider i be object such that
LL1: i in dom CS & X = CS.i by FUNCT_1:def 3;
reconsider i as Element of I by LL1;
X = the ColoredSet of CPNT.i by LL1, AS5;
hence X is finite;
end;
ll3:dom CS is finite;
set i = the Element of I;
CS.i = the ColoredSet of (CPNT.i) by AS5;
then
consider x be object such that
S5: x in (CS.i) by XBOOLE_0:def 1;
reconsider CS0 = union rng CS as non empty finite set
by S5, TARSKI:def 4, LL0, ll3, FINSET_1:7,FINSET_1:8;
LL41: for i be object st i in I holds
ex f be Function st f = F.i & dom f = DM.i & rng f = RG.i
proof
let i be object;
assume i in I;
then reconsider i0=i as Element of I;
P04: F.i0 = the firing-rule of CPNT.i0 by AS6;
then reconsider f = F.i as Function;
take f;
thus f = F.i;
thus dom f = DM.i by P04, DM1;
thus rng f = RG.i by P04, RG1;
end;
for i, j be object, f, g be Function st i in I & j in I &
i <> j & f = F.i & g = F.j holds dom(f) misses dom(g)
proof
let i0, j0 be object, f, g be Function;
assume
AA1: i0 in I & j0 in I &
i0 <> j0 & f = F.i0 & g = F.j0; then
reconsider i = i0, j = j0 as Element of I;
AA4: dom f = dom (the firing-rule of CPNT.i) by AA1, AS6;
AA5: dom g = dom (the firing-rule of CPNT.j) by AA1, AS6;
AA6: dom (the firing-rule of CPNT.i)
c= (the carrier' of CPNT.i) \ Outbds(CPNT.i) &
dom (the firing-rule of CPNT.j)
c= (the carrier' of CPNT.j) \ Outbds(CPNT.j) by PETRI_2:def 11;
thus dom(f) misses dom(g)
proof
assume not dom(f) misses dom(g); then
dom(f) /\ dom(g) <> {} by XBOOLE_0:def 7;
then consider x be object such that
AA8: x in dom(f) /\ dom(g) by XBOOLE_0:def 1;
x in dom(f) by AA8, XBOOLE_0:def 4; then
a9: x in (the carrier' of CPNT.i) \ Outbds(CPNT.i) by AA4, AA6;
x in dom(g) by XBOOLE_0:def 4, AA8; then
x in (the carrier' of CPNT.j) \ Outbds(CPNT.j) by AA5, AA6; then
(the carrier' of CPNT.i) /\ (the carrier' of CPNT.j)
<> {} by a9, XBOOLE_0:def 4;
hence contradiction by AS, AA1, XBOOLE_0:def 7;
end;
end;
then
consider F0 be Function such that
LL43: F0 = union rng F &
dom F0 = union rng DM &
rng F0 = union rng RG &
for i, x be object, f be Function st i in I &
f = F.i & x in dom f
holds F0.x = f.x by LM01,LL41;
reconsider UQ = union rng q as Function by LMQ1, AS;
set UF0 = F0 +* UQ;
reconsider SCPNT = Colored_PT_net_Str (# P0,T0,ST0,TS0,CS0,UF0 #)
as strict Colored_Petri_net by PETRI:def 1, PETRI:def 2;
deffunc G5(Element of I) = Outbds(CPNT.$1);
consider OU be Function such that
OU1: dom OU=I &
for i be Element of I holds OU.i = G5(i) from FUNCT_1:sch 4;
reconsider OU as I-defined Function by OU1, RELAT_1:def 18;
reconsider OU as ManySortedSet of I by OU1, PARTFUN1:def 2;
for x0 be object st x0 in Outbds(SCPNT) holds x0 in union rng OU
proof
let x0 be object;
assume x0 in Outbds(SCPNT);
then consider x1 be transition of SCPNT such that
OU2: x0 = x1 & x1 is outbound;
consider Z be set such that
OU3: x1 in Z & Z in rng T by TARSKI:def 4;
consider i be object such that
OU4: i in dom T & Z = T.i by OU3, FUNCT_1:def 3;
reconsider i as Element of I by OU4;
reconsider xi = x1 as transitions of (CPNT.i) by AS2, OU3, OU4;
{xi}*' = {}
proof
assume {xi}*' <> {};
then consider z be object such that
OU61: z in {xi}*' by XBOOLE_0:def 1;
consider si be place of (CPNT.i) such that
OU62: z = si & ex fi being T-S_arc of (CPNT.i),
ti being transition of (CPNT.i) st ti in {xi} &
fi = [ti, si] by OU61;
consider fi being T-S_arc of (CPNT.i),
ti being transition of (CPNT.i) such that
OU63: ti in {xi} & fi = [ti, si] by OU62;
SS0: P.i = the carrier of (CPNT.i) by AS1;
reconsider ss = si as place of SCPNT by SS0, TARSKI:def 4;
TS0: TS.i = the T-S_Arcs of (CPNT.i)by AS4;
fi in (union rng TS) by TS0, TARSKI:def 4;
then
reconsider ff = fi as T-S_arc of SCPNT by XBOOLE_0:def 3;
TT0: T.i = the carrier' of (CPNT.i) by AS2;
reconsider tt = ti as transition of SCPNT by TT0, TARSKI:def 4;
ff = [tt, ss] by OU63;
then ss in {s where s is place of SCPNT:
ex f being T-S_arc of SCPNT,
t being transition of SCPNT st t in {x1} & f = [t, s]} by OU63;
hence contradiction by OU2;
end;
then
xi is outbound;
then
OU6: xi in Outbds(CPNT.i);
OU.i = Outbds(CPNT.i) by OU1;
hence x0 in union (rng OU) by OU2, OU6, TARSKI:def 4;
end;
then
OU2: Outbds(SCPNT) c= union rng OU;
XX3: for i, j be object st i in I & j in I &
i <> j holds T.i /\ OU.j = {}
proof
let i0, j0 be object;
assume
XXX: i0 in I & j0 in I & i0 <> j0;
then
reconsider i = i0, j = j0 as Element of I;
P1: (the carrier' of CPNT.i) /\ Outbds(CPNT.j)
c= (the carrier' of CPNT.i) /\ (the carrier' of CPNT.j)
by XBOOLE_1:26;
p2: (the carrier' of CPNT.i) /\ Outbds(CPNT.j) c= {}
by P1, XBOOLE_0:def 7, AS, XXX;
the carrier' of CPNT.i = T.i by AS2;
hence thesis by p2, OU1;
end;
v: for i be object st i in I holds DM.i c= (T (\) OU).i
proof
let i0 be object;
assume i0 in I;
then
reconsider i = i0 as Element of I;
P1: DM.i = dom(the firing-rule of CPNT.i) by DM1;
P2: dom(the firing-rule of CPNT.i)
c= (the carrier' of CPNT.i) \ Outbds(CPNT.i) by PETRI_2:def 11;
P3: the carrier' of CPNT.i = T.i by AS2;
(T (\) OU).i = (T.i) \ OU.i by PBOOLE:def 6;
hence thesis by P1, P2, P3, OU1;
end;
XXX2: union rng DM = Union DM & union rng T = Union T &
union rng OU = Union OU by CARD_3:def 4;
then
XXX3A: dom F0 c= (the carrier' of SCPNT) \ (Union OU)
by LL43,v,LM04, XX3, PBOOLE:def 2;
xx: (the carrier' of SCPNT) \ (union rng OU)
c= (the carrier' of SCPNT) \ Outbds(SCPNT) by OU2, XBOOLE_1:34;
for x be object
st x in dom (the firing-rule of SCPNT)
holds x in (the carrier' of SCPNT) \ Outbds(SCPNT)
proof
let x be object;
assume x in dom the firing-rule of SCPNT; then
per cases by FUNCT_4:12;
suppose x in dom F0;
hence x in (the carrier' of SCPNT) \ Outbds(SCPNT) by xx,XXX3A,XXX2;
end;
suppose
AG1: x in dom UQ;
consider s be object such that
D2: [x,s] in UQ by AG1,XTUPLE_0:def 12;
consider i, j be Element of I,
q12 be Function,
O12 be Function of Outbds(CPNT.i), the carrier of CPNT.j such that
D3: i <> j &
(for t01 be transition of CPNT.i st t01 is outbound
holds q12.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01))) &
q12 in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i, *'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01)))
where t01 is transition of CPNT.i:t01 is outbound}) &
q12 = q.[i, j] &
O12 = O.[i, j] &
[x, s] in q12 by LMQ1, AS, D2;
CT1: the carrier' of (CPNT.i) = T.i &
the carrier of (CPNT.j) = P.j by AS1, AS2;
x in dom q12 by D3, XTUPLE_0:def 12; then
S0: x in Outbds(CPNT.i) by D3, FUNCT_2:92;
w: T.i c= T0 by ZFMISC_1:74; then
S2: x in (the carrier' of SCPNT) by S0, CT1;
reconsider t=x as transition of SCPNT by w,S0,CT1;
t in dom (O12) by S0, FUNCT_2:def 1;
then consider s be object such that
A65: [t, s] in O12 by XTUPLE_0:def 12;
[i, j] in XorDelta(I) by D3; then
[i, j] in dom O by PARTFUN1:def 2; then
O.[i, j] in rng O by FUNCT_1:3; then
[t, s] in union rng O by D3, A65, TARSKI:def 4; then
reconsider f= [t, s] as T-S_arc of SCPNT by XBOOLE_0:def 3;
A68: f = [t, s];
A69: t in {t} by TARSKI:def 1;
U2: s in (the carrier of CPNT.j) by A65, ZFMISC_1:87;
P.j c= P0 by ZFMISC_1:74;
then
s in {t}*' by A69, A68, U2, CT1;
then not ex w be transition of SCPNT st t = w & w is outbound;
then not x in Outbds(SCPNT);
hence x in (the carrier' of SCPNT) \ Outbds(SCPNT)
by S2, XBOOLE_0:def 5;
end;
end;
then
CP1: dom (the firing-rule of SCPNT)
c= (the carrier' of SCPNT) \ Outbds(SCPNT);
for t being transition of SCPNT st
t in dom (the firing-rule of SCPNT) holds
ex CS be non empty Subset of the
ColoredSet of SCPNT, I be Subset of *'{t},
O be Subset of {t}*' st (the firing-rule of SCPNT).t is
Function of thin_cylinders(CS, I),
thin_cylinders(CS, O)
proof
let t be transition of SCPNT;
assume
d: t in dom the firing-rule of SCPNT;
per cases;
suppose
AG01: not t in dom UQ;
then
AG0: t in dom F0 by d,FUNCT_4:12;
consider Z be set such that
XOU3: t in Z & Z in rng T by TARSKI:def 4;
consider i be object such that
XOU4: i in dom T & Z = T.i by XOU3, FUNCT_1:def 3;
reconsider i as Element of I by XOU4;
reconsider ti=t as transitions of (CPNT.i) by XOU3, XOU4, AS2;
consider Z be set such that
POU3: t in Z & Z in rng DM by LL43, AG0, TARSKI:def 4;
consider j be object such that
POU4: j in dom DM & Z = DM.j by POU3, FUNCT_1:def 3;
reconsider j as Element of I by POU4;
OU6: DM.j = dom(the firing-rule of CPNT.j) by DM1;
i = j
proof
assume
OU71: i <> j;
OU72: t in the carrier' of (CPNT.i) by XOU3, XOU4, AS2;
dom(the firing-rule of CPNT.j)
c= (the carrier' of CPNT.j) \ Outbds(CPNT.j)
by PETRI_2:def 11;
then
t in (the carrier' of CPNT.j) \ Outbds(CPNT.j) by POU3, POU4, OU6;
then
(the carrier' of CPNT.i) /\ (the carrier' of CPNT.j) <> {}
by OU72, XBOOLE_0:def 4;
hence contradiction by AS, OU71, XBOOLE_0:def 7;
end;
then
OU8: ti in dom(the firing-rule of CPNT.i) by POU3, POU4, DM1;
consider CSi be non empty Subset of the
ColoredSet of CPNT.i, Ii be Subset of *'{ti},
Oi be Subset of {ti}*' such that
OU9: (the firing-rule of CPNT.i ).ti is
Function of thin_cylinders(CSi,Ii),
thin_cylinders(CSi,Oi) by PETRI_2:def 11, OU8;
CC1: CS.i c= union rng CS by ZFMISC_1:74;
CS.i = the ColoredSet of CPNT.i by AS5;
then
reconsider CS = CSi as non empty Subset of the
ColoredSet of SCPNT by CC1, XBOOLE_1:1;
Ii c= *'{t}
proof
let x be object;
assume x in Ii;
then
x in *'{ti};
then
consider ssi be place of CPNT.i such that
XX1: x= ssi &
ex ffi being S-T_arc of CPNT.i,
tti being transition of CPNT.i
st tti in {ti} & ffi = [ssi,tti];
consider ffi being S-T_arc of CPNT.i,
tti being transition of CPNT.i such that
XX2: tti in {ti} & ffi = [ssi, tti] by XX1;
SS0: P.i = the carrier of (CPNT.i) by AS1;
reconsider ss=ssi as place of SCPNT by SS0, TARSKI:def 4;
ST0: ST.i = the S-T_Arcs of (CPNT.i) by AS3;
reconsider ff=ffi as S-T_arc of SCPNT by ST0, TARSKI:def 4;
tti = t by XX2, TARSKI:def 1;
then reconsider tt=tti as transition of SCPNT;
ff = [ss,tt] by XX2;
hence x in *'{t} by XX1, XX2;
end;
then
reconsider I0 = Ii as Subset of *'{t};
Oi c= {t}*'
proof
let x be object;
assume x in Oi;
then x in {ti}*';
then
consider ssi be place of CPNT.i such that
XX1: x= ssi &
ex ffi being T-S_arc of CPNT.i,
tti being transition of CPNT.i
st tti in {ti} & ffi = [tti, ssi];
consider ffi being T-S_arc of CPNT.i,
tti being transition of CPNT.i such that
XX2: tti in {ti} & ffi = [tti, ssi] by XX1;
SS0: P.i = the carrier of (CPNT.i) by AS1;
reconsider ss=ssi as place of SCPNT
by SS0, TARSKI:def 4;
TS0: TS.i = the T-S_Arcs of (CPNT.i) by AS4;
ffi in (union rng TS) by TS0, TARSKI:def 4;
then
reconsider ff=ffi as T-S_arc of SCPNT
by XBOOLE_0:def 3;
tti = t by XX2, TARSKI:def 1;
then reconsider tt = tti as transition of SCPNT;
ff = [tt, ss] by XX2;
hence x in {t}*' by XX1, XX2;
end;
then
reconsider O = Oi as Subset of {t}*';
Y1: F.i = the firing-rule of CPNT.i by AS6;
(the firing-rule of SCPNT).t = F0.t by AG01, FUNCT_4:11
.= (the firing-rule of CPNT.i).ti by Y1, OU8, LL43;
then (the firing-rule of SCPNT).t is
Function of thin_cylinders(CS, I0),
thin_cylinders(CS, O) by OU9;
hence ex CS be non empty Subset of the
ColoredSet of SCPNT, I be Subset of *'{t},
O be Subset of {t}*' st (the firing-rule of SCPNT).t is
Function of thin_cylinders(CS, I), thin_cylinders(CS, O);
end;
suppose
AG1: t in dom UQ;
then
consider s be object such that
D2: [t, s] in UQ by XTUPLE_0:def 12;
consider i,j be Element of I,
q12 be Function,
O12 be Function of Outbds(CPNT.i), the carrier of CPNT.j such that
D3: i <> j &
(for t01 be transition of CPNT.i st t01 is outbound holds q12.t01 is
Function of thin_cylinders(the ColoredSet of CPNT.i,
*'{t01}), thin_cylinders(the ColoredSet of CPNT.i, Im(O12,t01))) &
q12 in Funcs(Outbds(CPNT.i),
union {Funcs(thin_cylinders(the ColoredSet of CPNT.i,*'{t01}),
thin_cylinders(the ColoredSet of CPNT.i, Im(O12, t01)))
where t01 is transition of CPNT.i:t01 is outbound}) &
q12 = q.[i, j] &
O12 = O.[i, j] &
[t,s] in q12 by LMQ1, AS, D2;
CT1: the ColoredSet of CPNT.i = CS.i by AS5;
DF1: t in dom q12 by D3, XTUPLE_0:def 12;
then
S0: t in Outbds(CPNT.i) by D3, FUNCT_2:92;
then
reconsider ti = t as transition of CPNT.i;
v8: ex x be transition of CPNT.i st ti = x & x is outbound by S0;
CS.i = the ColoredSet of CPNT.i by AS5; then
reconsider CS0 = CS.i as non empty Subset of the
ColoredSet of SCPNT by ZFMISC_1:74;
*'{ti} c= *'{t}
proof
let x be object;
assume x in *'{ti}; then
consider ssi be place of CPNT.i such that
XX1: x= ssi &
ex ffi being S-T_arc of CPNT.i,
tti being transition of CPNT.i
st tti in {ti} & ffi = [ssi, tti];
consider ffi being S-T_arc of CPNT.i,
tti being transition of CPNT.i such that
XX2: tti in {ti} & ffi = [ssi, tti] by XX1;
SS0: P.i = the carrier of (CPNT.i) by AS1;
reconsider ss=ssi as place of SCPNT by SS0, TARSKI:def 4;
ST0: ST.i = the S-T_Arcs of (CPNT.i) by AS3;
reconsider ff=ffi as S-T_arc of SCPNT by ST0, TARSKI:def 4;
tti = t by XX2,TARSKI:def 1;
then
reconsider tt=tti as transition of SCPNT;
ff = [ss, tt] by XX2;
hence x in *'{t} by XX1, XX2;
end;
then
reconsider I0 = *'{ti} as Subset of *'{t};
Im(O12,ti) c= {t}*'
proof
let x be object;
assume
A41: x in Im(O12, ti);
then reconsider sj = x as place of CPNT.j;
A42: [ti, sj] in O12 by A41,RELSET_2:9;
[i, j] in XorDelta(I) by D3; then
[i, j] in dom O by PARTFUN1:def 2; then
O.[i, j] in rng O by FUNCT_1:3;
then
[ti, sj] in (union rng O) by D3, A42, TARSKI:def 4;
then reconsider f= [t, sj] as T-S_arc of SCPNT by XBOOLE_0:def 3;
CT1: the carrier of CPNT.j = P.j by AS1;
P.j c= P0 by ZFMISC_1:74; then
reconsider s = sj as place of SCPNT by CT1;
A44: f=[t, s];
t in {t} by TARSKI:def 1;
hence thesis by A44;
end;
then
reconsider O0 = Im(O12,ti) as Subset of {t}*';
(the firing-rule of SCPNT).t = UQ.t by AG1, FUNCT_4:13
.= q12.ti by DF1, D3, LMQ1A;
then
(the firing-rule of SCPNT).t is
Function of thin_cylinders(CS0, I0), thin_cylinders(CS0, O0)
by v8, CT1,D3;
hence ex CS be non empty Subset of the
ColoredSet of SCPNT, I be Subset of *'{t}, O be Subset of {t}*' st
(the firing-rule of SCPNT).t is Function of thin_cylinders(CS, I),
thin_cylinders(CS, O);
end;
end;
then
reconsider SCPNT =
Colored_PT_net_Str (# P0, T0, ST0, TS0, CS0, UF0 #)
as strict Colored-PT-net by PETRI_2:def 11, CP1;
take SCPNT;
thus thesis by AS1, AS2, AS3, AS4, AS5, AS6, LL43;
end;
uniqueness
proof
let XP1, XP2 be strict Colored-PT-net;
assume
AS1: ex P1, T1, ST1, TS1, CS1, F1 be ManySortedSet of I,
UF1, UQ1 be Function st
(for i be Element of I holds
P1.i = the carrier of CPNT.i &
T1.i = the carrier' of CPNT.i &
ST1.i = the S-T_Arcs of CPNT.i &
TS1.i = the T-S_Arcs of CPNT.i &
CS1.i = the ColoredSet of CPNT.i &
F1.i = the firing-rule of CPNT.i) &
UF1 = union rng F1 &
UQ1 = union rng q &
the carrier of XP1 = union rng P1 &
the carrier' of XP1 = union rng T1 &
the S-T_Arcs of XP1 = union rng ST1 &
the T-S_Arcs of XP1 = (union rng TS1 ) \/ (union rng O) &
the ColoredSet of XP1 = union rng CS1 &
the firing-rule of XP1 = UF1 +* UQ1;
assume
AS2: ex P2, T2, ST2, TS2, CS2, F2 be ManySortedSet of I,
UF2, UQ2 be Function st
(for i be Element of I holds
P2.i = the carrier of CPNT.i &
T2.i = the carrier' of CPNT.i &
ST2.i = the S-T_Arcs of CPNT.i &
TS2.i = the T-S_Arcs of CPNT.i &
CS2.i = the ColoredSet of CPNT.i &
F2.i = the firing-rule of CPNT.i) &
UF2 = union rng F2 &
UQ2 = union rng q &
the carrier of XP2 = union rng P2 &
the carrier' of XP2 = union rng T2 &
the S-T_Arcs of XP2 = union rng ST2 &
the T-S_Arcs of XP2 = (union rng TS2) \/ (union rng O) &
the ColoredSet of XP2 = union rng CS2 &
the firing-rule of XP2 = UF2 +* UQ2;
consider P1, T1, ST1, TS1, CS1, F1 be ManySortedSet of I,
UF1, UQ1 be Function such that
D1: (for i be Element of I holds
P1.i = the carrier of CPNT.i &
T1.i = the carrier' of CPNT.i &
ST1.i = the S-T_Arcs of CPNT.i &
TS1.i = the T-S_Arcs of CPNT.i &
CS1.i = the ColoredSet of CPNT.i &
F1.i = the firing-rule of CPNT.i) &
UF1 = union rng F1 & UQ1 = union rng q &
the carrier of XP1 = union rng P1 &
the carrier' of XP1 = union rng T1 &
the S-T_Arcs of XP1 = union rng ST1 &
the T-S_Arcs of XP1 = (union rng TS1) \/ (union rng O) &
the ColoredSet of XP1 = union rng CS1 &
the firing-rule of XP1 = UF1 +* UQ1 by AS1;
consider P2, T2, ST2, TS2, CS2, F2 be ManySortedSet of I,
UF2, UQ2 be Function such that
D2: (for i be Element of I holds
P2.i = the carrier of CPNT.i &
T2.i = the carrier' of CPNT.i &
ST2.i = the S-T_Arcs of CPNT.i &
TS2.i = the T-S_Arcs of CPNT.i &
CS2.i = the ColoredSet of CPNT.i &
F2.i = the firing-rule of CPNT.i) &
UF2 = union rng F2 &
UQ2 = union rng q &
the carrier of XP2 = union rng P2 &
the carrier' of XP2 = union rng T2 &
the S-T_Arcs of XP2 = union rng ST2 &
the T-S_Arcs of XP2 = (union rng TS2 ) \/ (union rng O) &
the ColoredSet of XP2 =union rng CS2 &
the firing-rule of XP2 = UF2 +* UQ2 by AS2;
X1: dom P1 = I by PARTFUN1:def 2
.= dom P2 by PARTFUN1:def 2;
A1: P1 = P2
proof
now let i be object;
assume i in dom P1; then
reconsider i0 = i as Element of I;
thus P1.i = the carrier of CPNT.i0 by D1
.= P2.i by D2;
end;
hence thesis by FUNCT_1:2, X1;
end;
X3: dom T1 = I by PARTFUN1:def 2
.= dom T2 by PARTFUN1:def 2;
A2: T1 = T2
proof
now let i be object;
assume i in dom T1;
then reconsider i0 = i as Element of I;
thus T1.i = the carrier' of CPNT.i0 by D1
.= T2.i by D2;
end;
hence thesis by FUNCT_1:2, X3;
end;
X5: dom ST1= I by PARTFUN1:def 2
.= dom ST2 by PARTFUN1:def 2;
A3: ST1 = ST2
proof
now let i be object;
assume i in dom ST1; then
reconsider i0 = i as Element of I;
thus ST1.i= the S-T_Arcs of CPNT.i0 by D1
.= ST2.i by D2;
end;
hence thesis by FUNCT_1:2, X5;
end;
X7: dom TS1 = I by PARTFUN1:def 2
.= dom TS2 by PARTFUN1:def 2;
A4: TS1 = TS2
proof
now let i be object;
assume i in dom TS1; then
reconsider i0 = i as Element of I;
thus TS1.i= the T-S_Arcs of CPNT.i0 by D1
.= TS2.i by D2;
end;
hence thesis by FUNCT_1:2, X7;
end;
X9: dom CS1 = I by PARTFUN1:def 2
.= dom CS2 by PARTFUN1:def 2;
A5: CS1 = CS2
proof
now let i be object;
assume i in dom CS1;
then reconsider i0 = i as Element of I;
thus CS1.i = the ColoredSet of CPNT.i0 by D1
.= CS2.i by D2;
end;
hence thesis by FUNCT_1:2, X9;
end;
X11:dom F1 = I by PARTFUN1:def 2
.= dom F2 by PARTFUN1:def 2;
F1 = F2
proof
now let i be object;
assume i in dom F1; then
reconsider i0 = i as Element of I;
thus F1.i = the firing-rule of CPNT.i0 by D1
.= F2.i by D2;
end;
hence thesis by FUNCT_1:2, X11;
end;
hence XP1 = XP2 by A1, A2, A3, A4, A5, D1, D2;
end;
end;
begin :: Definition of Cell Petri nets
definition
let I be non empty finite set;
let CPNT be Colored-PT-net-Family of I;
attr CPNT is Cell-Petri-nets means
ex N be Function of I, bool rng CPNT st
for i be Element of I holds
N.i = {CPNT.j where j is Element of I:j <> i};
end;
definition
let I be non trivial finite set;
let CPNT be Colored-PT-net-Family of I;
let N be Function of I,bool (rng CPNT);
let O be connecting-mapping of CPNT;
pred N, O is_Cell-Petri-nets means
for i be Element of I holds
N.i = {CPNT.j where j is Element of I:j <> i &
ex t be transition of CPNT.i,
s be object st [t, s] in O.[i, j]};
end;
theorem
::Th3:
for I be non trivial finite set,
CPNT be Colored-PT-net-Family of I,
N be Function of I, bool rng CPNT,
O be connecting-mapping of CPNT st CPNT is one-to-one &
N, O is_Cell-Petri-nets holds
for i be Element of I holds not CPNT.i in N.i
proof
let I be non trivial finite set,
CPNT be Colored-PT-net-Family of I,
N be Function of I, bool rng CPNT,
O be connecting-mapping of CPNT;
assume
A1: CPNT is one-to-one;
assume
A2: N, O is_Cell-Petri-nets;
let i be Element of I;
assume
A3: CPNT.i in N.i;
N.i = {CPNT.j where j is Element of I:j <> i &
ex t be transition of CPNT.i,
s be object st [t, s] in O.[i, j]} by A2; then
consider j be Element of I such that
A4: CPNT.i = CPNT.j & j <> i &
ex t be transition of CPNT.i,
s be object st [t, s] in O.[i, j] by A3;
dom CPNT = I by PARTFUN1:def 2;
hence contradiction by A1, A4, FUNCT_1:def 4;
end;
begin :: Activation of Petri nets
:: non empty non void with_S-T_arc with_T-S_arc Colored_PT_net_Str;
definition let CPN be Colored_PT_net_Str;
attr CPN is with-nontrivial-ColoredSet means :defnontrivial:
the ColoredSet of CPN is non trivial;
end;
registration
cluster with-nontrivial-ColoredSet for
strict Colored-PT-net-like Colored_Petri_net;
existence
proof
set PLA={0};
set a = 1, b = 2;
set TRA = {a};
set TSA = [:TRA, PLA:];
TSA c= TSA;
then reconsider TSA as non empty Relation of TRA, PLA;
set STA = [:PLA, TRA:];
STA c= STA;
then reconsider STA as non empty Relation of PLA, TRA;
set CS = {a, b};
set CS0 = {a};
set fa = the Function of thin_cylinders(CS0, {0}),
thin_cylinders(CS0, {0});
set f= ({a} --> fa);
set CPNT = Colored_PT_net_Str(# PLA, TRA, STA, TSA, CS, f #);
A1: CPNT is with_S-T_arc;
CPNT is with_T-S_arc;
then reconsider CPNT as Colored_Petri_net by A1;
a0: a in CS & b in CS & a <> b by TARSKI:def 2;
A2: now
CS0 c= CS
proof
let x be object;
assume x in CS0; then
x = a by TARSKI:def 1;
hence x in CS by TARSKI:def 2;
end; then
reconsider CS1= CS0 as non empty Subset of the ColoredSet of CPNT;
let t be transition of CPNT;
assume t in dom the firing-rule of CPNT;
A3: t= a by TARSKI:def 1;
A4: a in TRA by TARSKI:def 1;
A5: 0 in PLA by TARSKI:def 1; then
[a, 0] in TSA by A4, ZFMISC_1:87; then
reconsider O = {0} as Subset of {t} *'
by ZFMISC_1:31, A3, PETRI:8;
[0, a] in STA by A5,A4,ZFMISC_1:87; then
reconsider I = {0} as Subset of *'{t} by ZFMISC_1:31, A3, PETRI:6;
A6: fa is Function of thin_cylinders(CS1, I), thin_cylinders(CS1, O);
f.t = fa by FUNCOP_1:7;
hence ex CS1 be non empty Subset of the ColoredSet of CPNT,
I be Subset of *'{t}, O be Subset of {t}*' st
(the firing-rule of CPNT).t is Function of
thin_cylinders(CS1, I), thin_cylinders(CS1, O) by A6;
end;
A7: dom f = {a} by FUNCOP_1:13;
now
reconsider a1=a as transition of CPNT by TARSKI:def 1;
let x be object;
0 in PLA by TARSKI:def 1;
then
a8: [a1, 0] in TSA by ZFMISC_1:87;
A9: not a1 in Outbds CPNT
proof
assume a1 in Outbds CPNT;
then ex x be transition of CPNT st a1=x & x is outbound;
hence contradiction by a8,PETRI:8;
end;
assume x in dom the firing-rule of CPNT;
then x=a by A7,TARSKI:def 1;
hence x in (the carrier' of CPNT) \ Outbds(CPNT)
by A9, XBOOLE_0:def 5;
end;
then
dom (the firing-rule of CPNT) c= (the carrier' of CPNT) \ Outbds(CPNT);
then
reconsider CPNT as strict Colored-PT-net-like Colored_Petri_net
by A2, PETRI_2:def 11;
take CPNT;
thus thesis by a0,ZFMISC_1:def 10;
end;
end;
registration
let CPNT be with-nontrivial-ColoredSet Colored-PT-net;
cluster the ColoredSet of CPNT -> non trivial;
correctness by defnontrivial;
end;
::Def13:: color-threshold
definition
let CPN be with-nontrivial-ColoredSet Colored-PT-net;
let S be Subset of the carrier of CPN;
let D be thin_cylinder of the ColoredSet of CPN, S;
mode color-threshold of D is Function of loc(D), the ColoredSet of CPN;
end;
:: color-count of CPN
definition
let CPN be Colored-PT-net;
mode color-count of CPN is Function of the ColoredSet of CPN, NAT;
end;
:: Colored-states of CPN
definition
let CPN be Colored-PT-net;
func Colored-states(CPN) -> non empty set equals
the set of all e where e is color-count of CPN;
coherence
proof
(the ColoredSet of CPN) --> 1 in
the set of all e where e is color-count of CPN;
hence thesis;
end;
end;
:: colored-state of CPN
definition
let CPN be Colored-PT-net;
mode colored-state of CPN is Function of CPN, Colored-states(CPN);
end;
reserve CPN for with-nontrivial-ColoredSet Colored-PT-net;
reserve m for colored-state of CPN;
reserve t for Element of the carrier' of CPN;
definition
let CPN be with-nontrivial-ColoredSet Colored-PT-net,
m be colored-state of CPN;
let p be place of CPN;
redefine func m.p -> color-count of CPN;
correctness
proof
m.p in Colored-states(CPN) by FUNCT_2:5;
then ex e be color-count of CPN st e = m.p;
hence thesis;
end;
end;
definition
let CPN be with-nontrivial-ColoredSet Colored-PT-net;
let mp be color-count of CPN;
let x be object;
redefine func mp.x -> Element of NAT;
correctness
proof
per cases;
suppose x in the ColoredSet of CPN;
hence thesis by FUNCT_2:5;
end;
suppose not x in the ColoredSet of CPN;
then not x in dom mp;
then mp.x = 0 by FUNCT_1:def 2;
hence thesis;
end;
end;
end;
:: q-firable on m
definition
let CPN, m, t;
let D being thin_cylinder of the ColoredSet of CPN, *'{t};
let ColD being color-threshold of D;
pred t is_firable_on m,ColD means
:: :Def14:
(the firing-rule of CPN). [t, D] <> {} &
for p being place of CPN st p in loc(D) holds 1 <= (m.p).(ColD.p);
end;
:: q-firable set on t
definition
let CPN,m,t;
func firable_set_on(m,t) -> set equals
:: :Def15:
{D where D is thin_cylinder of the ColoredSet of CPN, *'{t}:
ex ColD being color-threshold of D st t is_firable_on m, ColD};
coherence;
end;
:: t is q-firable on m iff q-firable set on t, m
theorem
:: Th4:
for D being thin_cylinder of the ColoredSet of CPN, *'{t} holds
(ex ColD being color-threshold of D st t is_firable_on m, ColD)
iff
D in firable_set_on(m, t)
proof
let D be thin_cylinder of the ColoredSet of CPN, *'{t};
thus (ex ColD being color-threshold of D st t is_firable_on m, ColD) implies
D in firable_set_on(m, t);
assume D in firable_set_on(m, t); then
ex D0 be thin_cylinder of the ColoredSet of CPN, *'{t} st D=D0 &
ex ColD being color-threshold of D0 st t is_firable_on m, ColD;
hence thesis;
end;
:: The definition of mapping Ptr_Sub
definition
let CPN, m, t;
let D be thin_cylinder of the ColoredSet of CPN, *'{t};
let ColD be color-threshold of D;
let p be Element of CPN;
assume
AS1: t is_firable_on m, ColD;
func Ptr_Sub(ColD, m, p) ->
Function of the ColoredSet of CPN, NAT means :Def16Sub:
for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies it.x = (m.p).x - 1) &
(not (p in loc(D) & x = ColD.p) implies it.x = (m.p).x);
existence
proof
defpred C[object] means p in loc(D) & $1 = ColD.p;
deffunc F(object) = (m.p).(In($1,the ColoredSet of CPN)) - 1;
deffunc G(object) = (m.p).(In($1,the ColoredSet of CPN));
P1: for x being object st x in the ColoredSet of CPN
holds (C[x] implies F(x) in NAT) & (not C[x] implies G(x) in NAT)
proof
let x be object;
assume
P10: x in the ColoredSet of CPN;
C[x] implies F(x) in NAT
proof
assume p: C[x];
x = In(x,the ColoredSet of CPN) by P10, SUBSET_1:def 8; then
1 - 1 <= (m.p).(In(x,the ColoredSet of CPN)) - 1 by AS1, p, XREAL_1:9;
hence F(x) in NAT by INT_1:3;
end;
hence thesis;
end;
consider f be Function of the ColoredSet of CPN, NAT such that
P2: for x being object st x in the ColoredSet of CPN
holds (C[x] implies f.x = F(x)) &
(not C[x] implies f.x = G(x)) from FUNCT_2:sch 5(P1);
take f;
thus for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies f.x = (m.p).x - 1) &
(not (p in loc(D) & x = ColD.p) implies f.x = (m.p).x)
proof
let x be Element of the ColoredSet of CPN;
x = In(x,the ColoredSet of CPN) by SUBSET_1:def 8;
hence thesis by P2;
end;
end;
uniqueness
proof
let f1, f2 be Function of the ColoredSet of CPN, NAT;
assume
A1: for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies f1.x = (m.p).x - 1) &
(not (p in loc(D) & x = ColD.p) implies f1.x = (m.p).x);
assume
A2: for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies f2.x = (m.p).x - 1) &
(not (p in loc(D) & x = ColD.p) implies f2.x = (m.p).x);
for x be Element of the ColoredSet of CPN holds f1.x = f2.x
proof
let x be Element of the ColoredSet of CPN;
per cases;
suppose
P1: p in loc(D) & x = ColD.p;
hence f1.x = (m.p).x - 1 by A1
.= f2.x by A2, P1;
end;
suppose
P2: not (p in loc(D) & x = ColD.p);
hence f1.x = (m.p).x by A1
.= f2.x by A2, P2;
end;
end;
hence f1 = f2 by FUNCT_2:def 7;
end;
end;
:: The definition of mapping Ptr_Add
definition
let CPN, m, t;
let D be thin_cylinder of the ColoredSet of CPN, {t}*';
let ColD be color-threshold of D;
let p be Element of CPN;
func Ptr_Add(ColD, m, p) -> Function of the ColoredSet of CPN, NAT means
:Def16Add:
for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies it.x = (m.p).x + 1) &
(not (p in loc(D) & x = ColD.p) implies it.x = (m.p).x);
existence
proof
defpred C[object] means p in loc(D) & $1 = ColD.p;
deffunc F(object) = (m.p).(In($1,the ColoredSet of CPN)) + 1;
deffunc G(object) = (m.p).(In($1,the ColoredSet of CPN));
P1: for x being object st x in the ColoredSet of CPN
holds (C[x] implies F(x) in NAT) & (not C[x]
implies G(x) in NAT);
consider f be Function of the ColoredSet of CPN, NAT such that
P2: for x being object st x in the ColoredSet of CPN
holds (C[x] implies f.x = F(x)) &
(not C[x] implies f.x = G(x)) from FUNCT_2:sch 5(P1);
take f;
thus for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies
f.x = (m.p).x + 1) & (not (p in loc(D) & x = ColD.p) implies
f.x = (m.p).x)
proof
let x be Element of the ColoredSet of CPN;
(C[x] implies f.x = F(x)) &
(not C[x] implies f.x = G(x)) by P2;
hence thesis by SUBSET_1:def 8;
end;
end;
uniqueness
proof
let f1, f2 be Function of the ColoredSet of CPN, NAT;
assume
A1: for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies f1.x = (m.p).x + 1) &
(not (p in loc(D) & x = ColD.p) implies f1.x = (m.p).x);
assume
A2: for x be Element of the ColoredSet of CPN holds
((p in loc(D) & x = ColD.p) implies f2.x = (m.p).x + 1) &
(not (p in loc(D) & x = ColD.p) implies f2.x = (m.p).x);
for x be Element of the ColoredSet of CPN holds f1.x = f2.x
proof
let x be Element of the ColoredSet of CPN;
per cases;
suppose
P1: p in loc(D) & x = ColD.p;
hence f1.x = (m.p).x + 1 by A1
.= f2.x by A2, P1;
end;
suppose
P2: not (p in loc(D) & x = ColD.p);
hence f1.x = (m.p).x by A1
.= f2.x by A2, P2;
end;
end;
hence f1 = f2 by FUNCT_2:def 7;
end;
end;
:: The definition of firing_result
definition
let CPN, m, t;
let D be thin_cylinder of the ColoredSet of CPN, *'{t};
let E be thin_cylinder of the ColoredSet of CPN, {t}*';
let ColD be color-threshold of D;
let ColE be color-threshold of E;
let p be Element of CPN;
func firing_result(ColD, ColE, m, p) ->
Function of the ColoredSet of CPN, NAT equals
:Def16:
Ptr_Sub(ColD,m,p) if t is_firable_on m,ColD &
p in loc(D) \ loc(E),
Ptr_Add(ColE,m,p) if t is_firable_on m,ColD &
p in loc(E)\loc(D)
otherwise m.p;
coherence;
consistency
proof
(t is_firable_on m, ColD & p in loc(D) \ loc(E)) &
(t is_firable_on m, ColD & p in loc(E) \ loc(D))
implies Ptr_Sub(ColD,m,p) = Ptr_Add(ColE,m,p)
proof
assume
(t is_firable_on m, ColD & p in loc(D) \ loc(E)) &
(t is_firable_on m, ColD & p in loc(E) \ loc(D));
then p in loc(D) & not p in loc(D) by XBOOLE_0:def 5;
hence Ptr_Sub(ColD, m, p) = Ptr_Add(ColE, m, p);
end;
hence thesis;
end;
end;
:: The definition of the range of firing_result
theorem
:::Th5A:
for D0 being thin_cylinder of the ColoredSet of CPN, *'{t},
D1 being thin_cylinder of the ColoredSet of CPN, {t}*',
ColD0 be color-threshold of D0,
ColD1 be color-threshold of D1,
x be Element of the ColoredSet of CPN,
p be Element of CPN holds
(m.p).x - 1 <= (firing_result(ColD0, ColD1, m, p)).x &
(firing_result(ColD0, ColD1, m, p)).x <= (m.p).x + 1
proof
let D0 be thin_cylinder of the ColoredSet of CPN, *'{t},
D1 be thin_cylinder of the ColoredSet of CPN, {t}*',
ColD0 be color-threshold of D0,
ColD1 be color-threshold of D1,
x be Element of the ColoredSet of CPN,
p be Element of CPN;
per cases;
suppose
A1: (p in loc(D0) \ loc(D1) & t is_firable_on m, ColD0);
then
A11: firing_result(ColD0, ColD1, m, p) = Ptr_Sub(ColD0, m, p)
by Def16;
A12: p in loc(D0) by XBOOLE_0:def 5, A1;
per cases;
suppose
a: x = ColD0.p;
(m.p). x - 1 + 0 <= ((m.p). x -1) +2 by XREAL_1:7;
hence thesis by a,A11, A12, Def16Sub, A1;
end;
suppose
a: x <> ColD0.p; then
A122: (firing_result(ColD0, ColD1, m, p)).x
= (m.p). x by A11, Def16Sub,A1;
A123: (m.p).x - 1 <= (firing_result(ColD0, ColD1, m, p)).x - 0
by A122, XREAL_1:13;
(m.p). x + 0 <= (m.p). x + 1 by XREAL_1:7;
hence thesis by a,A123,A11, Def16Sub,A1;
end;
end;
suppose
A2: (p in loc(D1) \ loc(D0) & t is_firable_on m, ColD0);
then
A11: firing_result(ColD0,ColD1,m,p) = Ptr_Add(ColD1,m,p) by Def16;
A12: p in loc(D1) by XBOOLE_0:def 5, A2;
per cases;
suppose
x = ColD1.p; then
A122: (firing_result(ColD0, ColD1, m, p)).x
= (m.p). x + 1 by A11,A12,Def16Add;
(m.p). x -1 + 0 <= ((m.p). x -1) + 2 by XREAL_1:7;
hence thesis by A122;
end;
suppose
a: x <> ColD1.p; then
A122: (firing_result(ColD0, ColD1, m, p)).x
= (m.p). x by A11, Def16Add;
A123: (m.p).x - 1 <= (firing_result(ColD0, ColD1, m, p)).x - 0
by A122, XREAL_1:13;
(m.p). x + 0 <= (m.p). x + 1 by XREAL_1:7;
hence thesis by A123,a,A11,Def16Add;
end;
end;
suppose
a: not(p in loc(D0) \ loc(D1) & t is_firable_on m,ColD0) &
not(p in loc(D1) \ loc(D0) & t is_firable_on m,ColD0); then
A122: (firing_result(ColD0, ColD1, m, p)).x = (m.p). x by Def16;
A123: (m.p).x - 1 <= (firing_result(ColD0, ColD1, m, p)).x - 0
by A122, XREAL_1:13;
(m.p). x + 0 <= (m.p). x + 1 by XREAL_1:7;
hence thesis by a,A123,Def16;
end;
end;
theorem
:: :Th5B:
for D0 being thin_cylinder of the ColoredSet of CPN, *'{t},
D1 being thin_cylinder of the ColoredSet of CPN, {t}*',
ColD0 be color-threshold of D0,
ColD1 be color-threshold of D1,
x be Element of the ColoredSet of CPN,
p be Element of CPN st
t is outbound holds
(m.p).x - 1 <= (firing_result(ColD0, ColD1, m, p)).x &
(firing_result(ColD0, ColD1, m, p)).x <= (m.p).x
proof
let D0 be thin_cylinder of the ColoredSet of CPN, *'{t},
D1 be thin_cylinder of the ColoredSet of CPN, {t}*',
ColD0 be color-threshold of D0,
ColD1 be color-threshold of D1,
x be Element of the ColoredSet of CPN,
p be Element of CPN;
assume
a: t is outbound;
per cases;
suppose
A1: (p in loc(D0) \ loc(D1) & t is_firable_on m, ColD0); then
A11: firing_result(ColD0, ColD1, m, p) = Ptr_Sub(ColD0, m, p) by Def16;
A12: p in loc(D0) by XBOOLE_0:def 5, A1;
per cases;
suppose
a: x = ColD0.p;
(m.p).x - 1 + 0 <= ((m.p). x - 1) + 1 by XREAL_1:7;
hence thesis by a,A1, A11, A12, Def16Sub;
end;
suppose
a: x <> ColD0.p; then
A122: (firing_result(ColD0, ColD1, m, p)).x = (m.p).x by A1, A11, Def16Sub;
(m.p).x - 1 <=
(firing_result(ColD0, ColD1, m, p)).x - 0 by A122, XREAL_1:13;
hence thesis by a,A1, A11, Def16Sub;
end;
end;
suppose
(p in loc(D1) \ loc(D0) & t is_firable_on m, ColD0);
hence thesis by a;
end;
suppose
a: not(p in loc(D0) \ loc(D1) & t is_firable_on m, ColD0) &
not(p in loc(D1) \ loc(D0) & t is_firable_on m, ColD0); then
A122: (firing_result(ColD0, ColD1, m, p)).x = (m.p).x by Def16;
(m.p).x - 1 <=
(firing_result(ColD0, ColD1, m, p)).x - 0 by A122, XREAL_1:13;
hence thesis by a,Def16;
end;
end;