Theorem: ENat.tsum_const (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∞
c : ℕ∞
⊢ ∑' (x : ι), c = c * univ.encard
Tactic:
rw [← tsum_univ, ENat.tsum_subtype_const]
State after:
no goals