proposition: Lemma fdistI21 : @fdistI2 R 1%:pr = fdist1 ord0.
proof: Proof. apply/fdist_ext => /= i; rewrite fdistI2E fdist1E; case: ifPn => //= _. by rewrite onem1. 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