proposition: Lemma ex_RInt_gen_ext_eq {Fa Fb : (R -> Prop) -> Prop} {FFa : Filter Fa} {FFb : Filter Fb} (f g : R -> V) : (forall x, f x = g x) -> ex_RInt_gen f Fa Fb -> ex_RInt_gen g Fa Fb.
proof: Proof. move => Heq. apply: ex_RInt_gen_ext. exact: filter_forall => bds x _. Qed.
imports: Coq(Reals ssreflect) Rbar Hierarchy RInt Lim_seq Continuity Derive Rcomplements RInt_analysis