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Theorems · Theorem · combinatorics

Matroid.comap_ground_eq

∀ {α : Type u_1} {β : Type u_2} (N : Matroid β) (f : α → β), (N.comap f).E = f ⁻¹' N.E
Defined in
Mathlib.Combinatorics.Matroid.Map
Cited by
1 results in Mathlib
Foundations
Depth 82 from the axioms · uses propext, Classical.choice, Quot.sound
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Matroid.comap_dep_iff · cited by 0Matroid.comap_dep_iffSet · cited by 53352SetSet.preimage · cited by 4946Set.preimageMatroid · cited by 1258MatroidMatroid.E · cited by 550Matroid.EMatroid.comap · cited by 24Matroid.comapMatroid.comap_ground_eqCITED BYCITES

Cites5

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Cited by1

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