proposition: Lemma pihomogP p : pihomog p \is d.-homog for mf.
proof: Proof. apply/rpred_sum=> m /eqP eqd_mfm; apply/rpredZ. by apply/dhomogP => m0 /mem_msuppXP <-. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq path) mathcomp(choice fintype tuple finfun bigop finset binomial) mathcomp(order fingroup perm ssralg zmodp poly ssrint) mathcomp(matrix vector) mathcomp(bigenough) ssrcomplements freeg