fact: Parameter mul_mixed_correct : forall u ai pi a p, ai >: a -> pi >:: p -> mul_mixed u ai pi >:: PolR.mul_mixed tt a p.
imports: Coq(ZArith Reals) Coquelicot(Coquelicot) mathcomp.ssreflect(ssreflect ssrfun ssrbool eqtype ssrnat seq fintype bigop) Flocq(Core) Stdlib MathComp Interval Xreal Basic_rec