proposition: Lemma AEnd_lker0 (f : 'AEnd(L)) : lker f == 0%VS.
proof: Proof. exact: AHom_lker0. 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)