let k, loc be Element of NAT ; for a being Int-Location holds IncAddr (a >0_goto loc),k = a >0_goto (loc + k)
let a be Int-Location ; IncAddr (a >0_goto loc),k = a >0_goto (loc + k)
consider A being Data-Location , L being Element of NAT such that
A1:
( a = A & loc = L )
and
A2:
a >0_goto loc = A >0_goto L
by SCMFSA_2:def 18;
reconsider i = A >0_goto (L + k) as Instruction of SCM+FSA by SCMFSA_2:38;
InsCode (a >0_goto loc) = 8
by SCMFSA_2:49;
then
InsCode (a >0_goto loc) in {6,7,8}
by ENUMSET1:def 1;
then
ex I being Instruction of SCM st
( I = a >0_goto loc & IncAddr (a >0_goto loc),k = IncAddr I,k )
by Def3;
hence IncAddr (a >0_goto loc),k =
i
by A2, RELOC:12
.=
a >0_goto (loc + k)
by A1, SCMFSA_2:def 18
;
verum