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Theorems · Theorem · combinatorics

Matroid.IsCocircuit.of_contract

∀ {α : Type u_1} {M : Matroid α} {K C : Set α}, (M.contract C).IsCocircuit K → M.IsCocircuit K
Defined in
Mathlib.Combinatorics.Matroid.Minor.Contract
Cited by
0 results in Mathlib
Foundations
Depth 85 from the axioms · uses propext, Classical.choice, Quot.sound
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Set · cited by 53352SetMatroid · cited by 1258MatroidMatroid.IsCircuit · cited by 108Matroid.IsCircuitMatroid.contract · cited by 103Matroid.contractMatroid.IsCocircuit · cited by 32Matroid.IsCocircuitMatroid.dual_contract · cited by 9Matroid.dual_contractMatroid.isCocircuit_def · cited by 7Matroid.isCocircuit_defMatroid.IsCircuit.of_delete · cited by 2IsCircuit.of_deleteIsCocircuit.of_contractCITED BYCITES

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