Theorem: Matroid.LoopEquiv.cl_eq_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
h : M.LoopEquiv X Y
⊢ M.cl X = M.cl Y
Tactic:
rw [← cl_union_loops_eq, h.union_eq_union, cl_union_loops_eq]
State after:
no goals