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