Theorem: Matroid.LoopEquiv.rfl (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
M : Matroid α
X : Set α
⊢ M.LoopEquiv X X
Tactic:
rfl
State after:
no goals