proposition: Fact lfun_scale1 f : 1 *:l f = f.
proof: Proof. by apply/lfunP=> v; rewrite lfunE /= scale1r. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq choice) mathcomp(fintype bigop finfun tuple) mathcomp(ssralg matrix mxalgebra zmodp)