proposition: Lemma lt_not_eq x y : lt x y -> x <> y.
proof: Proof. fo. Qed.
imports: CoLoR(LogicUtil OrdUtil LSimple RelUtil) Coq(Structures.Equalities Lia) Coq(Compare_dec) CoLoR(VecUtil) CoLoR(LCompRewrite) CoLoR(SN LCall) CoLoR(EqUtil)