let a, b be Int_position ; for l being Element of NAT
for k1, k2 being Integer holds NIC (SubFrom a,k1,b,k2),l = {(succ l)}
let l be Element of NAT ; for k1, k2 being Integer holds NIC (SubFrom a,k1,b,k2),l = {(succ l)}
let k1, k2 be Integer; NIC (SubFrom a,k1,b,k2),l = {(succ l)}
set i = SubFrom a,k1,b,k2;
for s being State of SCMPDS st IC s = l & s . l = SubFrom a,k1,b,k2 holds
(Exec (SubFrom a,k1,b,k2),s) . (IC SCMPDS ) = succ (IC s)
by SCMPDS_2:62;
hence
NIC (SubFrom a,k1,b,k2),l = {(succ l)}
by Th7; verum