theorem Th11:
for
P being
Instruction-Sequence of
SCMPDS st
GCD-Algorithm c= P holds
for
s being
0 -started State of
SCMPDS holds
(
IC (Comput (P,s,4)) = 5 &
(Comput (P,s,4)) . GBP = 0 &
(Comput (P,s,4)) . SBP = 7 &
(Comput (P,s,4)) . (intpos (7 + RetIC)) = 2 &
(Comput (P,s,4)) . (intpos 9) = s . (intpos 9) &
(Comput (P,s,4)) . (intpos 10) = s . (intpos 10) )