Theorem: Matroid.cl_spanning_iff (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
S T : Set α
hS : autoParam (S ⊆ M.E) _auto✝
⊢ M.Spanning (M.cl S) ↔ M.Spanning S
Tactic:
rw [spanning_iff_cl, cl_cl, ← spanning_iff_cl]
State after:
no goals