proposition: Lemma oPlus_rw (alpha beta : E0) : cnf (alpha O+ beta)%e0 = (cnf alpha o+ cnf beta)%t1.
proof: Proof. now destruct alpha, beta. Qed.
imports: Coq(Arith Max Bool Lia Compare_dec Relations Ensembles ArithRing Wellfounded Operators_Properties Logic.Eqdep_dec) hydras(Prelude.More_Arith Prelude.Restriction Prelude.DecPreOrder ON_Generic OrdNotations)