consider k being Element of NAT such that
A2:
( IC (Comput ((P +* (ProgramPart I)),(s +* (Initialize I)),k)) = card (ProgramPart I) & ( for n being Element of NAT st n < k holds
IC (Comput ((P +* (ProgramPart I)),(s +* (Initialize I)),n)) in dom I ) )
by A1, Def3;
take
k
; ( IC (Comput ((P +* (ProgramPart I)),(s +* (Initialize I)),k)) = card (ProgramPart I) & ( for n being Element of NAT st not IC (Comput ((P +* (ProgramPart I)),(s +* (Initialize I)),n)) in dom I holds
k <= n ) )
thus
( IC (Comput ((P +* (ProgramPart I)),(s +* (Initialize I)),k)) = card (ProgramPart I) & ( for n being Element of NAT st not IC (Comput ((P +* (ProgramPart I)),(s +* (Initialize I)),n)) in dom I holds
k <= n ) )
by A2; verum