let R be good Ring; :: thesis: for a, b being Data-Location of R
for il being Instruction-Location of SCM R holds NIC (a := b),il = {(Next il)}
let a, b be Data-Location of R; :: thesis: for il being Instruction-Location of SCM R holds NIC (a := b),il = {(Next il)}
let il be Instruction-Location of SCM R; :: thesis: NIC (a := b),il = {(Next il)}
set i = a := b;
for s being State of (SCM R) st IC s = il & s . il = a := b holds
(Exec (a := b),s) . (IC (SCM R)) = Next (IC s) by SCMRING2:13;
hence NIC (a := b),il = {(Next il)} by Lm5; :: thesis: verum