Theorem: Matroid.Flat.wCovBy_self (Matroid/Flat.lean)

State before:
α : Type u_1
M : Matroid α
I F X Y F' F₀ F₁ F₂ P L H H₁ H₂ H' B C K : Set α
e f : α
hF : M.Flat F
⊢ F ⩿[M] F
Tactic:
simpa [WCovBy]
State after:
no goals