proposition: Lemma segment_sym u v : (segment u v `<=` segment v u)%classic.
proof: Proof. by move=> x [p _ <-]; exists ((Prob.p p).~%:pr); rewrite -?convC. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg fingroup perm matrix) mathcomp(mathcomp_extra boolp classical_sets Rstruct) mathcomp(ssrnum ereal) mathcomp(lra Rstruct reals) Reals ssrR Reals_ext Ranalysis_ext ssr_ext ssralg_ext logb realType_ext fdist