let s1, s2 be State of SCM+FSA; for p1, p2 being the Instructions of SCM+FSA -valued ManySortedSet of NAT
for I being InitHalting Program of SCM+FSA st Initialize ((intloc 0) .--> 1) c= s1 & Initialize ((intloc 0) .--> 1) c= s2 & I c= p1 & I c= p2 & NPP s1 = NPP s2 holds
for k being Element of NAT holds
( NPP (Comput (p1,s1,k)) = NPP (Comput (p2,s2,k)) & CurInstr (p1,(Comput (p1,s1,k))) = CurInstr (p2,(Comput (p2,s2,k))) )
let p1, p2 be the Instructions of SCM+FSA -valued ManySortedSet of NAT ; for I being InitHalting Program of SCM+FSA st Initialize ((intloc 0) .--> 1) c= s1 & Initialize ((intloc 0) .--> 1) c= s2 & I c= p1 & I c= p2 & NPP s1 = NPP s2 holds
for k being Element of NAT holds
( NPP (Comput (p1,s1,k)) = NPP (Comput (p2,s2,k)) & CurInstr (p1,(Comput (p1,s1,k))) = CurInstr (p2,(Comput (p2,s2,k))) )
let I be InitHalting Program of SCM+FSA; ( Initialize ((intloc 0) .--> 1) c= s1 & Initialize ((intloc 0) .--> 1) c= s2 & I c= p1 & I c= p2 & NPP s1 = NPP s2 implies for k being Element of NAT holds
( NPP (Comput (p1,s1,k)) = NPP (Comput (p2,s2,k)) & CurInstr (p1,(Comput (p1,s1,k))) = CurInstr (p2,(Comput (p2,s2,k))) ) )
assume that
A1:
Initialize ((intloc 0) .--> 1) c= s1
and
A2:
Initialize ((intloc 0) .--> 1) c= s2
and
A3:
I c= p1
and
A4:
I c= p2
and
A5:
NPP s1 = NPP s2
; for k being Element of NAT holds
( NPP (Comput (p1,s1,k)) = NPP (Comput (p2,s2,k)) & CurInstr (p1,(Comput (p1,s1,k))) = CurInstr (p2,(Comput (p2,s2,k))) )
let k be Element of NAT ; ( NPP (Comput (p1,s1,k)) = NPP (Comput (p2,s2,k)) & CurInstr (p1,(Comput (p1,s1,k))) = CurInstr (p2,(Comput (p2,s2,k))) )
A6:
IC (Comput (p1,s1,k)) in dom I
by A1, Def1, A3;
A7:
IC (Comput (p2,s2,k)) in dom I
by A2, Def1, A4;
for m being Element of NAT st m < k holds
IC (Comput (p2,s2,m)) in dom I
by A2, Def1, A4;
hence
NPP (Comput (p1,s1,k)) = NPP (Comput (p2,s2,k))
by A5, A3, A4, AMISTD_2:66; CurInstr (p1,(Comput (p1,s1,k))) = CurInstr (p2,(Comput (p2,s2,k)))
then A8:
IC (Comput (p1,s1,k)) = IC (Comput (p2,s2,k))
by COMPOS_1:230;
thus CurInstr (p2,(Comput (p2,s2,k))) =
p2 . (IC (Comput (p2,s2,k)))
by PBOOLE:158
.=
I . (IC (Comput (p2,s2,k)))
by A7, A4, GRFUNC_1:8
.=
p1 . (IC (Comput (p1,s1,k)))
by A8, A6, A3, GRFUNC_1:8
.=
CurInstr (p1,(Comput (p1,s1,k)))
by PBOOLE:158
; verum