proposition: Lemma fin_num_fun_lty d (T : algebraOfSetsType d) (R : realFieldType) (mu : set T -> \bar R) : fin_num_fun mu -> mu setT < +oo.
proof: Proof. by move=> h; rewrite ltey_eq h. Qed.
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)