Mathlib Map

Structures · Combinatorics

Matroid.RankPos

A RankPos matroid is one whose bases are nonempty.

Defined in
Mathlib.Combinatorics.Matroid.Basic
Shape
One type argument · adds empty_not_isBase

Extends0

Extends nothing: this is a root of the hierarchy.

Extended by0

Nothing extends this class yet.

Forgetful instances

Every Matroid.RankPos is also a

Concrete types that are instances1

  • Set.Elem

How is a type an instance?

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Assumed by16

Ancestors1