proposition: Lemma fdist_ge0_le1 (R : numDomainType) (A : finType) (d : fdist R A) a : (0 <= d a <= 1)%R.
proof: Proof. by apply/andP. 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