Theorems · Theorem · combinatorics
Matroid.cRk_comap
∀ {α β : Type u} (M : Matroid β) (f : α → β) (X : Set α), (M.comap f).cRk X = M.cRk (f '' X)- Cited by
- 0 results in Mathlib
- Foundations
- Depth 90 from the axioms · uses propext, Classical.choice, Quot.sound
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Cites8
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- Set.imagestatement · cited by 5,609
- Cardinalstatement · cited by 2,598
- Matroidstatement and proof · cited by 1,258
- Cardinal.lift_injproof · cited by 38
- Matroid.cRkstatement · cited by 29
- Matroid.comapstatement · cited by 24
- Matroid.cRk_comap_liftproof · cited by 1
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