theorem Th27:
for
i1,
i2 being
Integer for
I being
Instruction of
SCM st
I is
sequential &
I is
0 -dl.constant holds
for
P being
Instruction-Sequence of
SCM st
IterativeAlgorithm I c= P holds
for
s being
0 -started State-consisting of
<%i1,0,i2%> holds
(
IC (Comput (P,s,0)) = 0 & ( for
k being
Nat st
k >= 1 holds
IC (Comput (P,s,k)) = 1 ) & ( for
k being
Nat holds
(
(Comput (P,s,k)) . (dl. 0) = i1 &
(Comput (P,s,k)) . (dl. 1) = 0 &
(Comput (P,s,k)) . (dl. 2) = i2 ) ) &
LifeSpan (
P,
s)
= 1 )