let p be non NAT -defined autonomic FinPartState of ; for s1, s2 being State of SCM+FSA st p c= s1 & p c= s2 holds
for i being Element of NAT
for da being Int-Location
for loc being Element of NAT st CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = da >0_goto loc & loc <> succ (IC (Comput ((ProgramPart s1),s1,i))) holds
( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 )
let s1, s2 be State of SCM+FSA; ( p c= s1 & p c= s2 implies for i being Element of NAT
for da being Int-Location
for loc being Element of NAT st CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = da >0_goto loc & loc <> succ (IC (Comput ((ProgramPart s1),s1,i))) holds
( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 ) )
assume A1:
( p c= s1 & p c= s2 )
; for i being Element of NAT
for da being Int-Location
for loc being Element of NAT st CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = da >0_goto loc & loc <> succ (IC (Comput ((ProgramPart s1),s1,i))) holds
( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 )
let i be Element of NAT ; for da being Int-Location
for loc being Element of NAT st CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = da >0_goto loc & loc <> succ (IC (Comput ((ProgramPart s1),s1,i))) holds
( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 )
let da be Int-Location ; for loc being Element of NAT st CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = da >0_goto loc & loc <> succ (IC (Comput ((ProgramPart s1),s1,i))) holds
( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 )
let loc be Element of NAT ; ( CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = da >0_goto loc & loc <> succ (IC (Comput ((ProgramPart s1),s1,i))) implies ( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 ) )
set Cs1i1 = Comput ((ProgramPart s1),s1,(i + 1));
set Cs2i1 = Comput ((ProgramPart s2),s2,(i + 1));
A2:
(Comput ((ProgramPart s1),s1,(i + 1))) | (dom p) = (Comput ((ProgramPart s2),s2,(i + 1))) | (dom p)
by A1, EXTPRO_1:def 9;
set Cs2i = Comput ((ProgramPart s2),s2,i);
set Cs1i = Comput ((ProgramPart s1),s1,i);
set I = CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i)));
A3: Comput ((ProgramPart s1),s1,(i + 1)) =
Following ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i)))
by EXTPRO_1:4
.=
Exec ((CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i)))),(Comput ((ProgramPart s1),s1,i)))
;
A4:
( ((Comput ((ProgramPart s1),s1,(i + 1))) | (dom p)) . (IC SCM+FSA) = (Comput ((ProgramPart s1),s1,(i + 1))) . (IC SCM+FSA) & ((Comput ((ProgramPart s2),s2,(i + 1))) | (dom p)) . (IC SCM+FSA) = (Comput ((ProgramPart s2),s2,(i + 1))) . (IC SCM+FSA) )
by Th15, FUNCT_1:72;
A5: Comput ((ProgramPart s2),s2,(i + 1)) =
Following ((ProgramPart s2),(Comput ((ProgramPart s2),s2,i)))
by EXTPRO_1:4
.=
Exec ((CurInstr ((ProgramPart s2),(Comput ((ProgramPart s2),s2,i)))),(Comput ((ProgramPart s2),s2,i)))
;
assume that
A6:
CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = da >0_goto loc
and
A7:
loc <> succ (IC (Comput ((ProgramPart s1),s1,i)))
; ( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 )
A8:
CurInstr ((ProgramPart s1),(Comput ((ProgramPart s1),s1,i))) = CurInstr ((ProgramPart s2),(Comput ((ProgramPart s2),s2,i)))
by A1, Th18;
A9:
now assume that A10:
(Comput ((ProgramPart s2),s2,i)) . da > 0
and A11:
(Comput ((ProgramPart s1),s1,i)) . da <= 0
;
contradiction
(Comput ((ProgramPart s2),s2,(i + 1))) . (IC SCM+FSA) = loc
by A8, A5, A6, A10, SCMFSA_2:97;
hence
contradiction
by A3, A4, A2, A6, A7, A11, SCMFSA_2:97;
verum end;
A12:
IC (Comput ((ProgramPart s1),s1,i)) = IC (Comput ((ProgramPart s2),s2,i))
by A1, Th18;
now assume that A13:
(Comput ((ProgramPart s1),s1,i)) . da > 0
and A14:
(Comput ((ProgramPart s2),s2,i)) . da <= 0
;
contradiction
(Comput ((ProgramPart s1),s1,(i + 1))) . (IC SCM+FSA) = loc
by A3, A6, A13, SCMFSA_2:97;
hence
contradiction
by A12, A8, A5, A4, A2, A6, A7, A14, SCMFSA_2:97;
verum end;
hence
( (Comput ((ProgramPart s1),s1,i)) . da > 0 iff (Comput ((ProgramPart s2),s2,i)) . da > 0 )
by A9; verum