let S be with_non_trivial_Instructions COM-Struct ; for i1, i2, i3, i4 being No-StopCode Instruction of S holds (((i1 ';' i2) ';' i3) ';' i4) . 1 = IncAddr (i2,1)
let i1, i2, i3, i4 be No-StopCode Instruction of S; (((i1 ';' i2) ';' i3) ';' i4) . 1 = IncAddr (i2,1)
LastLoc ((i1 ';' i2) ';' i3) = 3
by Th31;
hence (((i1 ';' i2) ';' i3) ';' i4) . 1 =
((i1 ';' i2) ';' i3) . 1
by Th23, Th28
.=
IncAddr (i2,1)
by Th45
;
verum