Theorem: Matroid.Parallel.circuit_of_ne (Matroid/Parallel.lean)

State before:
α : Type u_1
M N : Matroid α
e f g : α
I X P D : Set α
hef : M.Parallel e f
hne : e ≠ f
⊢ M.Circuit {e, f}
Tactic:
rwa [parallel_iff_circuit hne] at hef
State after:
no goals