Theorem: Matroid.Iso.image_ground (Matroid/Old/_Equiv.lean)

State before:
α : Type u_1
β : Type u_2
γ : Type u_3
α₁ : Type u_4
α₂ : Type u_5
α₃ : Type u_6
M : Matroid α
N : Matroid β
B I D X Y : Set α
e : M.Iso N
⊢ ↑e.toPartialEquiv '' M.E = N.E
Tactic:
rw [← e.source_eq, ← e.target_eq, image_source_eq_target]
State after:
no goals