set i = (a,k1) := (b,k2);
for s being State of SCMPDS holds (Exec (((a,k1) := (b,k2)),s)) . (IC SCMPDS) = succ (IC s) by SCMPDS_2:59;
then Load ((a,k1) := (b,k2)) is parahalting by Lm2;
hence (a,k1) := (b,k2) is parahalting by Def2; :: thesis: verum