Matroid.IsMinor.exists_eq_contract_delete_disjoint

∀ {α : Type u_1} {M N : Matroid α}, N ≤m M → ∃ C D, C ⊆ M.E ∧ D ⊆ M.E ∧ Disjoint C D ∧ N = (M.contract C).delete D

Defined in: Mathlib.Combinatorics.Matroid.Minor.Order
Cited by: 0 results in Mathlib
Foundations: Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound

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