Theorem: Matroid.Coloop.mem_of_mem_cl (Matroid/Loop.lean)

State before:
α : Type u_1
β : Type u_2
M N : Matroid α
e f : α
B L L' I X Y Z F C K : Set α
he : M.Coloop e
hX : e ∈ M.cl X
⊢ e ∈ X
Tactic:
rwa [← he.mem_cl_iff_mem]
State after:
no goals