no goals
α : Type u
β : Type v
γ : Type w
δ : Type ?u.165345
ι : Sort x
f : Filter α
p q : α → Prop
⊢ (∃ᶠ (x : α) in f, p x → q x) ↔ (∀ᶠ (x : α) in f, p x) → ∃ᶠ (x : α) in f, q x
simp [imp_iff_not_or, not_eventually, frequently_or_distrib]