Theorem: Matroid.Nonloop.of_restriction (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
h : N.Nonloop e
hNM : N ≤r M
⊢ M.Nonloop e
Tactic:
obtain ⟨R, -, rfl⟩ := hNM
State after:
case intro.intro
α : Type u_1
β : Type u_2
M : Matroid α
e f : α
B L L' I X Y Z F C K R : Set α
h : (M ↾ R).Nonloop e
⊢ M.Nonloop e

State before:
case intro.intro
α : Type u_1
β : Type u_2
M : Matroid α
e f : α
B L L' I X Y Z F C K R : Set α
h : (M ↾ R).Nonloop e
⊢ M.Nonloop e
Tactic:
exact h.of_restrict
State after:
no goals