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Theorems · Theorem · combinatorics

Matroid.delete_closure_eq_of_disjoint

∀ {α : Type u_1} (M : Matroid α) {D X : Set α}, Disjoint X D → (M.delete D).closure X = M.closure X \ D
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Mathlib.Combinatorics.Matroid.Minor.Delete
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Foundations
Depth 89 from the axioms · uses propext, Classical.choice, Quot.sound
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Set · cited by 53352SetDisjoint · cited by 2201DisjointMatroid · cited by 1258MatroidMatroid.closure · cited by 272Matroid.closureMatroid.delete · cited by 86Matroid.deleteDisjoint.sdiff_eq_left · cited by 19Disjoint.sdiff_eq_leftMatroid.delete_closure_eq · cited by 2Matroid.delete_closure_eqMatroid.delete_closure_eq_of_…CITED BYCITES

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