Theorem: ENat.tsum_subtype_const_eq_top_of_ne_zero (Matroid/ForMathlib/ENatTopology.lean)

State before:
α : Type u_1
β : Type u_2
ι : Type u_3
s✝ : Set α
n : ℕ∞
f g : α → ℕ∞
s : Set α
hs : s.Infinite
c : ℕ∞
hc : c ≠ 0
⊢ (s ∩ support fun x => c).Infinite
Tactic:
rwa [support_const hc, inter_univ]
State after:
no goals