Theorem: Matroid.Base.cl_eq (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
hB : M.Base B
⊢ M.cl B = M.E
Tactic:
rw [← basis_ground_iff] at hB
State after:
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
hB : M.Basis B M.E
⊢ M.cl B = M.E

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
hB : M.Basis B M.E
⊢ M.cl B = M.E
Tactic:
rw [hB.cl_eq_cl, cl_ground]
State after:
no goals