rw [removeLoops, ← Loopless.ground_eq, restrict_ground_eq_self]
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
inst✝ : M.Loopless
⊢ M.removeLoops = M
no goals