consider h being State of S such that
A12:
d c= h
by PBOOLE:156;
B12:
ProgramPart d c= ProgramPart h
by A12, RELAT_1:105;
let p1, p2 be FinPartState of S; ( ( for P being the Instructions of S -valued ManySortedSet of NAT st p c= P holds
for s being State of S st d c= s holds
p1 = (Result (P,s)) | (dom (NPP d)) ) & ( for P being the Instructions of S -valued ManySortedSet of NAT st p c= P holds
for s being State of S st d c= s holds
p2 = (Result (P,s)) | (dom (NPP d)) ) implies p1 = p2 )
assume that
A13:
for P being the Instructions of S -valued ManySortedSet of NAT st p c= P holds
for s being State of S st d c= s holds
p1 = (Result (P,s)) | (dom (NPP d))
and
A14:
for P being the Instructions of S -valued ManySortedSet of NAT st p c= P holds
for s being State of S st d c= s holds
p2 = (Result (P,s)) | (dom (NPP d))
; p1 = p2
thus p1 =
(Result ((ProgramPart h),h)) | (dom (NPP d))
by A1, A13, A12, B12
.=
p2
by A1, A14, A12, B12
; verum