let il be Element of NAT ; :: thesis: for a, b being Int-Location holds NIC (SubFrom a,b),il = {(succ il)}
let a, b be Int-Location ; :: thesis: NIC (SubFrom a,b),il = {(succ il)}
set i = SubFrom a,b;
for s being State of SCM+FSA st IC s = il & s . il = SubFrom a,b holds
(Exec (SubFrom a,b),s) . (IC SCM+FSA ) = succ (IC s) by SCMFSA_2:91;
hence NIC (SubFrom a,b),il = {(succ il)} by Lm5; :: thesis: verum