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