let s be State of ; for I being parahalting No-StopCode Program of st Initialized (stop I) c= s holds
IC (Computation s,(LifeSpan (s +* (Initialized (stop I))))) = inspos (card I)
let I be parahalting No-StopCode Program of ; ( Initialized (stop I) c= s implies IC (Computation s,(LifeSpan (s +* (Initialized (stop I))))) = inspos (card I) )
set IsI = Initialized (stop I);
A1:
stop I c= Initialized (stop I)
by SCMPDS_4:9;
set Css = Computation s,(LifeSpan s);
reconsider n = IC (Computation s,(LifeSpan s)) as Element of NAT by ORDINAL1:def 13;
assume A2:
Initialized (stop I) c= s
; IC (Computation s,(LifeSpan (s +* (Initialized (stop I))))) = inspos (card I)
then A3:
ProgramPart s halts_on s
by SCMPDS_4:63;
I c= stop I
by SCMPDS_4:40;
then
I c= Initialized (stop I)
by A1, XBOOLE_1:1;
then A4:
I c= s
by A2, XBOOLE_1:1;
then A6:
n >= card I
by SCMPDS_4:1;
A7:
card (stop I) = (card I) + 1
by SCMPDS_4:45, SCMPDS_4:74;
IC (Computation s,(LifeSpan s)) in dom (stop I)
by A2, SCMPDS_4:def 9;
then
n < (card I) + 1
by A7, SCMPDS_4:1;
then
n <= card I
by NAT_1:13;
then
n = card I
by A6, XXREAL_0:1;
hence
IC (Computation s,(LifeSpan (s +* (Initialized (stop I))))) = inspos (card I)
by A2, FUNCT_4:79; verum