let N be non empty with_non-empty_elements set ; for S being non empty stored-program halting IC-Ins-separated definite realistic AMI-Struct of N
for p being FinPartState of S
for k being Element of NAT holds Start-At ((IC p) + k),S c= IncrIC p,k
let S be non empty stored-program halting IC-Ins-separated definite realistic AMI-Struct of N; for p being FinPartState of S
for k being Element of NAT holds Start-At ((IC p) + k),S c= IncrIC p,k
let p be FinPartState of S; for k being Element of NAT holds Start-At ((IC p) + k),S c= IncrIC p,k
let k be Element of NAT ; Start-At ((IC p) + k),S c= IncrIC p,k
A1:
IC (IncrIC p,k) = (IC p) + k
by Th19;
A2:
IC S in dom (IncrIC p,k)
by Th18;
A3:
( Start-At ((IC p) + k),S = {[(IC S),((IC p) + k)]} & [(IC S),((IC p) + k)] in IncrIC p,k )
by A2, A1, FUNCT_1:def 4, FUNCT_4:87;
let x be set ; TARSKI:def 3 ( not x in Start-At ((IC p) + k),S or x in IncrIC p,k )
assume
x in Start-At ((IC p) + k),S
; x in IncrIC p,k
hence
x in IncrIC p,k
by A3, TARSKI:def 1; verum