Theorem: Matroid.Nonloop.exists_mem_base (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.Nonloop e
⊢ ∃ B, M.Base B ∧ e ∈ B
Tactic:
simpa using (indep_singleton.2 he).exists_base_superset
State after:
no goals