sorry
E : Type u_1
inst✝¹ : NormedAddCommGroup E
inst✝ : NormedSpace ℝ E
x : E
s t C : Set E
X : Finset E
l : E →L[ℝ] ℝ
hs₁ : Convex ℝ s
hs₂ : IsClosed s
⊢ extremePoints ℝ s ⊆ closure (exposedPoints ℝ s)
no goals