proposition: Lemma bigcapT_measurable F : (forall i, measurable (F i)) -> measurable (\bigcap_i (F i)).
proof: Proof. by move=> ?; exact: bigcap_measurable. 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)