let R be good Ring; for a, b being Data-Location of R
for il being Instruction-Location of SCM R holds NIC (SubFrom a,b),il = {(Next il)}
let a, b be Data-Location of R; for il being Instruction-Location of SCM R holds NIC (SubFrom a,b),il = {(Next il)}
let il be Instruction-Location of SCM R; NIC (SubFrom a,b),il = {(Next il)}
set i = SubFrom a,b;
for s being State of st IC s = il & s . il = SubFrom a,b holds
(Exec (SubFrom a,b),s) . (IC (SCM R)) = Next (IC s)
by SCMRING2:15;
hence
NIC (SubFrom a,b),il = {(Next il)}
by Lm4; verum