let P be Instruction-Sequence of SCMPDS; :: thesis: for s being 0 -started State of SCMPDS
for I being halt-free parahalting shiftable Program of
for a being Int_position
for k1 being Integer holds IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1

let s be 0 -started State of SCMPDS; :: thesis: for I being halt-free parahalting shiftable Program of
for a being Int_position
for k1 being Integer holds IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1

let I be halt-free parahalting shiftable Program of ; :: thesis: for a being Int_position
for k1 being Integer holds IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1

let a be Int_position; :: thesis: for k1 being Integer holds IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1
let k1 be Integer; :: thesis: IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1
set IF = if=0 (a,k1,I);
A1: ( I is_closed_on s,P & I is_halting_on s,P ) by Th11, Th12;
A2: Initialize s = s by MEMSTR_0:44;
per cases ( s . (DataLoc ((s . a),k1)) = 0 or s . (DataLoc ((s . a),k1)) <> 0 ) ;
suppose s . (DataLoc ((s . a),k1)) = 0 ; :: thesis: IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1
then IExec ((if=0 (a,k1,I)),P,s) = (IExec (I,P,s)) +* (Start-At (((card I) + 1),SCMPDS)) by A1, Th41, A2;
hence IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1 by FUNCT_4:113; :: thesis: verum
end;
suppose s . (DataLoc ((s . a),k1)) <> 0 ; :: thesis: IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1
then IExec ((if=0 (a,k1,I)),P,s) = s +* (Start-At (((card I) + 1),SCMPDS)) by Th42, A2;
hence IC (IExec ((if=0 (a,k1,I)),P,s)) = (card I) + 1 by FUNCT_4:113; :: thesis: verum
end;
end;