fact: Definition enum_prob (X : {dRV P >-> R}) := (fun k => P (X @^-1` [set dRV_enum X k])) \_ (dRV_dom X).
imports: mathcomp(all_ssreflect) mathcomp(ssralg poly ssrnum ssrint interval finmap) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(cardinality) HB(structures) exp numfun lebesgue_measure lebesgue_integral reals ereal signed topology normedtype sequences esum measure exp numfun lebesgue_measure lebesgue_integral