let s be All-State of SuccTuring; for p, h, t being set st s = [p,h,t] & p <> 4 holds
Following s = [((TRAN s) `1),((Head s) + (offset (TRAN s))),(Tape-Chg ((s `3),(Head s),((TRAN s) `2)))]
let p, h, t be set ; ( s = [p,h,t] & p <> 4 implies Following s = [((TRAN s) `1),((Head s) + (offset (TRAN s))),(Tape-Chg ((s `3),(Head s),((TRAN s) `2)))] )
assume A1:
( s = [p,h,t] & p <> 4 )
; Following s = [((TRAN s) `1),((Head s) + (offset (TRAN s))),(Tape-Chg ((s `3),(Head s),((TRAN s) `2)))]
4 = the AcceptS of SuccTuring
by Def18;
hence
Following s = [((TRAN s) `1),((Head s) + (offset (TRAN s))),(Tape-Chg ((s `3),(Head s),((TRAN s) `2)))]
by A1, Th29; verum