proposition: Lemma k1HomE V f : kHom 1 V f = ahom_in V f.
proof: Proof. by apply: andb_idr => /ahom_inP[_ f1]; apply/fixedSpaceP. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq div) mathcomp(choice fintype tuple finfun bigop ssralg poly) mathcomp(polydiv finset fingroup morphism quotient perm) mathcomp(action zmodp cyclic matrix mxalgebra vector) mathcomp(falgebra fieldext separable)