Theorem: Matroid.Indep.mem_cl_iff_of_not_mem (Matroid/Closure.lean)

State before:
α : Type u_1
ι : Type u_2
M : Matroid α
F I J X Y B C R : Set α
e f x y : α
hI : M.Indep I
heI : e ∉ I
⊢ e ∈ M.cl I ↔ M.Dep (insert e I)
Tactic:
rw [hI.insert_dep_iff, mem_diff, and_iff_left heI]
State after:
no goals