let N be non empty with_non-empty_elements set ; for l being Element of NAT
for i being Element of the Instructions of (STC N) st InsCode i = 1 holds
NIC (i,l) = {(NextLoc (l,(STC N)))}
let l be Element of NAT ; for i being Element of the Instructions of (STC N) st InsCode i = 1 holds
NIC (i,l) = {(NextLoc (l,(STC N)))}
let i be Element of the Instructions of (STC N); ( InsCode i = 1 implies NIC (i,l) = {(NextLoc (l,(STC N)))} )
assume A1:
InsCode i = 1
; NIC (i,l) = {(NextLoc (l,(STC N)))}
set M = STC N;
consider k being natural number such that
A2:
l = il. ((STC N),k)
by Th26;
k = locnum (l,(STC N))
by A2, Def13;
then
NextLoc (l,(STC N)) = k + 1
by Th37;
hence
NIC (i,l) = {(NextLoc (l,(STC N)))}
by A1, A2, Lm3, Th37; verum