set i = a,k1 := k2;
for s being State of SCMPDS holds (Exec (a,k1 := k2),s) . (IC SCMPDS ) = succ (IC s) by SCMPDS_2:58;
then Load (a,k1 := k2) is parahalting by Lm2;
hence a,k1 := k2 is parahalting by Def2; :: thesis: verum