Theorem: Matroid.Flat.subset_of_relRank_eq_zero (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
hr : M.relRank F X = 0
hX : autoParam (X ⊆ M.E) _auto✝
⊢ X ⊆ F
Tactic:
rwa [relRank_eq_zero_iff, hF.cl] at hr
State after:
no goals