Theorem: Matroid.Skew.disjoint (Matroid/Modular.lean)

State before:
ι : Type u_1
α : Type u_2
M : Matroid α
B I J X X' Y Y' F : Set α
Xs Ys Js Is : ι → Set α
i j : ι
e f : α
inst✝ : M.Loopless
h : M.Skew X Y
⊢ Disjoint X Y
Tactic:
rw [disjoint_iff_inter_eq_empty, ← subset_empty_iff]
State after:
ι : Type u_1
α : Type u_2
M : Matroid α
B I J X X' Y Y' F : Set α
Xs Ys Js Is : ι → Set α
i j : ι
e f : α
inst✝ : M.Loopless
h : M.Skew X Y
⊢ X ∩ Y ⊆ ∅

State before:
ι : Type u_1
α : Type u_2
M : Matroid α
B I J X X' Y Y' F : Set α
Xs Ys Js Is : ι → Set α
i j : ι
e f : α
inst✝ : M.Loopless
h : M.Skew X Y
⊢ X ∩ Y ⊆ ∅
Tactic:
simpa using h.inter_subset_loops
State after:
no goals