Theorem: Matroid.deleteElem_indep_iff (Matroid/Minor/Basic.lean)

State before:
α : Type u_1
M M' N : Matroid α
e f : α
I J R✝ B X Y Z K D D₁ D₂ R : Set α
⊢ (M ＼ e).Indep I ↔ M.Indep I ∧ e ∉ I
Tactic:
rw [deleteElem, delete_indep_iff, disjoint_singleton_right]
State after:
no goals