Theorem: Matroid.subset_cl_iff_forall_subset_flat (Matroid/Closure.lean)

State before:
α : Type u_1
ι : Type u_2
M : Matroid α
F I J X✝ Y B C R : Set α
e f x y : α
X : Set α
hX : autoParam (X ⊆ M.E) _auto✝
⊢ Y ⊆ M.cl X ↔ ∀ (F : Set α), M.Flat F → X ⊆ F → Y ⊆ F
Tactic:
simp_rw [cl_eq_sInter_of_subset X, subset_sInter_iff, mem_setOf, and_imp]
State after:
no goals