set i = AddTo (a,k1,k2);
A1: InsCode (halt SCMPDS) = 0 by RECDEF_2:def 1;
InsCode (AddTo (a,k1,k2)) = 8 by SCMPDS_2:20;
then AddTo (a,k1,k2) <> halt SCMPDS by A1;
hence AddTo (a,k1,k2) is No-StopCode by COMPOS_0:def 12; :: thesis: verum