proposition: Fact subfx_scaleAl a u v : subfx_scale a (u * v) = (subfx_scale a u) * v.
proof: Proof. exact: mulrA. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq div) mathcomp(choice fintype tuple finfun bigop ssralg countalg) mathcomp(finalg zmodp matrix vector falgebra poly polydiv) mathcomp(mxpoly generic_quotient)