let N be non empty with_non-empty_elements set ; for S being non empty stored-program IC-Ins-separated steady-programmed definite AMI-Struct of N
for s being State of S
for k being Element of NAT holds (ProgramPart s) /. (IC (Comput (ProgramPart s),s,k)) = CurInstr (ProgramPart (Comput (ProgramPart s),s,k)),(Comput (ProgramPart s),s,k)
let S be non empty stored-program IC-Ins-separated steady-programmed definite AMI-Struct of N; for s being State of S
for k being Element of NAT holds (ProgramPart s) /. (IC (Comput (ProgramPart s),s,k)) = CurInstr (ProgramPart (Comput (ProgramPart s),s,k)),(Comput (ProgramPart s),s,k)
let s be State of S; for k being Element of NAT holds (ProgramPart s) /. (IC (Comput (ProgramPart s),s,k)) = CurInstr (ProgramPart (Comput (ProgramPart s),s,k)),(Comput (ProgramPart s),s,k)
let k be Element of NAT ; (ProgramPart s) /. (IC (Comput (ProgramPart s),s,k)) = CurInstr (ProgramPart (Comput (ProgramPart s),s,k)),(Comput (ProgramPart s),s,k)
A:
ProgramPart s = ProgramPart (Comput (ProgramPart s),s,k)
by LmY;
thus
(ProgramPart s) /. (IC (Comput (ProgramPart s),s,k)) = CurInstr (ProgramPart (Comput (ProgramPart s),s,k)),(Comput (ProgramPart s),s,k)
by A; verum