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Theorems · Theorem · combinatorics

Matroid.contract_contract_eq_contract_sdiff

∀ {α : Type u_1} (M : Matroid α) (C₁ C₂ : Set α), (M.contract C₁).contract C₂ = (M.contract C₁).contract (C₂ \ C₁)
Defined in
Mathlib.Combinatorics.Matroid.Minor.Contract
Cited by
1 results in Mathlib
Foundations
Depth 83 from the axioms · uses propext, Classical.choice, Quot.sound
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Matroid.contract_contract_eq_contract_diff · cited by 0Matroid.contract_contract…Set · cited by 53352SetMatroid · cited by 1258MatroidMatroid.contract · cited by 103Matroid.contractSet.union_sdiff_self · cited by 28Set.union_sdiff_selfMatroid.contract_contract · cited by 5Matroid.contract_contractMatroid.contract_contract_eq_…CITED BYCITES

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