let q be NAT -defined the InstructionsF of SCM+FSA -valued finite non halt-free Function; for p being non empty q -autonomic FinPartState of SCM+FSA
for s1, s2 being State of SCM+FSA st p c= s1 & p c= s2 holds
for P1, P2 being Instruction-Sequence of SCM+FSA st q c= P1 & q c= P2 holds
for i being Nat
for da, db being Int-Location st CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p holds
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db)
let p be non empty q -autonomic FinPartState of SCM+FSA; for s1, s2 being State of SCM+FSA st p c= s1 & p c= s2 holds
for P1, P2 being Instruction-Sequence of SCM+FSA st q c= P1 & q c= P2 holds
for i being Nat
for da, db being Int-Location st CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p holds
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db)
let s1, s2 be State of SCM+FSA; ( p c= s1 & p c= s2 implies for P1, P2 being Instruction-Sequence of SCM+FSA st q c= P1 & q c= P2 holds
for i being Nat
for da, db being Int-Location st CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p holds
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db) )
assume A1:
( p c= s1 & p c= s2 )
; for P1, P2 being Instruction-Sequence of SCM+FSA st q c= P1 & q c= P2 holds
for i being Nat
for da, db being Int-Location st CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p holds
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db)
let P1, P2 be Instruction-Sequence of SCM+FSA; ( q c= P1 & q c= P2 implies for i being Nat
for da, db being Int-Location st CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p holds
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db) )
assume A2:
( q c= P1 & q c= P2 )
; for i being Nat
for da, db being Int-Location st CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p holds
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db)
let i be Nat; for da, db being Int-Location st CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p holds
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db)
let da, db be Int-Location; ( CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db) & db in dom p implies ((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db) )
set I = CurInstr (P1,(Comput (P1,s1,i)));
set Cs1i = Comput (P1,s1,i);
set Cs2i = Comput (P2,s2,i);
set Cs1i1 = Comput (P1,s1,(i + 1));
set Cs2i1 = Comput (P2,s2,(i + 1));
A3: Comput (P2,s2,(i + 1)) =
Following (P2,(Comput (P2,s2,i)))
by EXTPRO_1:3
.=
Exec ((CurInstr (P2,(Comput (P2,s2,i)))),(Comput (P2,s2,i)))
;
assume that
A4:
CurInstr (P1,(Comput (P1,s1,i))) = Divide (da,db)
and
A5:
db in dom p
and
A6:
((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db) <> ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db)
; contradiction
A7:
( ((Comput (P1,s1,(i + 1))) | (dom p)) . db = (Comput (P1,s1,(i + 1))) . db & ((Comput (P2,s2,(i + 1))) | (dom p)) . db = (Comput (P2,s2,(i + 1))) . db )
by A5, FUNCT_1:49;
Comput (P1,s1,(i + 1)) =
Following (P1,(Comput (P1,s1,i)))
by EXTPRO_1:3
.=
Exec ((CurInstr (P1,(Comput (P1,s1,i)))),(Comput (P1,s1,i)))
;
then A8:
(Comput (P1,s1,(i + 1))) . db = ((Comput (P1,s1,i)) . da) mod ((Comput (P1,s1,i)) . db)
by A4, SCMFSA_2:67;
CurInstr (P1,(Comput (P1,s1,i))) = CurInstr (P2,(Comput (P2,s2,i)))
by A1, A2, AMISTD_5:7;
then
(Comput (P2,s2,(i + 1))) . db = ((Comput (P2,s2,i)) . da) mod ((Comput (P2,s2,i)) . db)
by A3, A4, SCMFSA_2:67;
hence
contradiction
by A1, A6, A7, A8, A2, EXTPRO_1:def 10; verum