fact: Definition pset : set (set (probability T R)) := [set mset U r | r in `[0%R,1%R] & U in measurable].
imports: mathcomp(all_ssreflect all_algebra finmap) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(cardinality fsbigop ) reals ereal signed topology normedtype sequences esum numfun HB(structures)