proposition: Lemma fdist_prod1_conv p (a b : fdist R A) : ((a <| p |> b) `X W)`1 = (a `X W)`1 <| p |> (b `X W)`1.
proof: Proof. by rewrite !fdist_prod1. Qed.
imports: mathcomp(all_ssreflect ssralg fingroup perm matrix) mathcomp(all_algebra vector reals normedtype) mathcomp(mathcomp_extra boolp) mathcomp(Rstruct) ssrR logb realType_ext ssr_ext ssralg_ext bigop_ext