reconsider mk = a, ml = b as Element of SCM-Data-Loc by Def2;
1 in {1,2,3,4,5} by ENUMSET1:def 3;
then [1,<*mk,ml*>] in SCM-Instr by AMI_2:5;
hence [1,<*a,b*>] is Instruction of SCM ; :: thesis: verum