no goals
α : Type u
β : Type v
ι : Sort w
a : α
s s₁ s₂ t : Set α
p p₁ p₂ : α → Prop
inst✝ : TopologicalSpace α
l : Filter α
h : l = ⊥
⊢ Filter.lift' ⊥ closure = ⊥
rw [lift'_bot (monotone_closure _), closure_empty, principal_empty]