Theorem: Matroid.Flat.eq_ground_of_spanning (Matroid/Flat.lean)

State before:
α : Type u_1
M : Matroid α
I F X Y F' F₀ F₁ F₂ P L H H₁ H₂ H' B C K : Set α
e f : α
hF : M.Flat F
h : M.Spanning F
⊢ F = M.E
Tactic:
rw [← hF.cl, h.cl_eq]
State after:
no goals