Definition tmults : Term A n -> list (Term A n) -> list (Term A n).

Theorem multlm_comp_canonical : forall (p : list (Term A n)) (a b : Term A n), canonical A0 eqA ltM (pX a p) -> ~ zeroP (A:=A) A0 eqA (n:=n) b -> canonical A0 eqA ltM (pX (multTerm (A:=A) multA (n:=n) b a) (mults b p)).