Mathlib Map

Structures · Algebra

Valuation.HasExtension

The class Valuation.HasExtension vR vA states that the valuation vA on A is an extension of the valuation vR on R. More precisely, vR is equivalent to the comap of the valuation vA.

Defined in
Mathlib.RingTheory.Valuation.Extension
Shape
2 explicit arguments · adds val_isEquiv_comap

Extends0

Extends nothing: this is a root of the hierarchy.

Extended by0

Nothing extends this class yet.

Concrete types that are instances0

No instance on a concrete type; it is reached through other classes.

How is a type an instance?

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Assumed by24

Ancestors0

No ancestors.