let a, b be Data-Location ; :: thesis: for il being Instruction-Location of SCM holds NIC (a := b),il = {(Next )}
let il be Instruction-Location of SCM ; :: thesis: NIC (a := b),il = {(Next )}
set i = a := b;
for s being State of SCM st IC s = il & s . il = a := b holds
(Exec (a := b),s) . (IC SCM ) = Next by AMI_3:8;
hence NIC (a := b),il = {(Next )} by Lm4; :: thesis: verum