proposition: Lemma sfinite_mzero d (T : measurableType d) (R : realType) : sfinite_measure (@mzero d T R).
proof: Proof. by apply: sfinite_measure_sigma_finite; exact: sigma_finite_mzero. 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)