proposition: Fact ahom_is_multiplicative (f : ahom aT rT) : multiplicative f.
proof: Proof. by apply/ahomP; case: f. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq path) mathcomp(choice fintype div tuple finfun bigop ssralg) mathcomp(finalg zmodp matrix vector poly)