set i = SubFrom (a,k1,b,k2);
A2: InsCode (halt SCMPDS) = 0 by SCMPDS_2:12, SCMPDS_2:81;
InsCode (SubFrom (a,k1,b,k2)) = 10 by SCMPDS_2:22;
hence SubFrom (a,k1,b,k2) is No-StopCode by A2, COMPOS_1:def 24; :: thesis: verum