proposition: Lemma included_FScalMult' : forall c, included R' (Dom (c{**}F)) -> included R' P.
proof: Proof. intros c H; simpl in H; eapply included_conj_rht; apply H. Qed.
imports: CoRN.tactics.CornTac CoRN.algebra.CSums CoRN.algebra.CAbMonoids Coq.Sorting.Permutation CoRN.util.SetoidPermutation Coq.Setoids.Setoid Coq.Classes.Morphisms Coq(Lia)