let k be Element of NAT ; for a, b being Int-Location holds IncAddr (AddTo a,b),k = AddTo a,b
let a, b be Int-Location ; IncAddr (AddTo a,b),k = AddTo a,b
( InsCode (AddTo a,b) = 2 & not 2 in {6,7,8} )
by ENUMSET1:def 1, SCMFSA_2:43;
hence
IncAddr (AddTo a,b),k = AddTo a,b
by Def3; verum