Mathlib Map

Theorems · Definition · group theory

MonoidWithZeroHom.valueGroup.mk

{A : Type u_1} →
  {B : Type u_2} →
    [inst : MonoidWithZero A] →
      [inst_1 : CommGroupWithZero B] → (f : A →*₀ B) → (r s : A) → f r ≠ 0 → f s ≠ 0 → ↥f.valueGroup

The map sending a pair of nonzero r s : A to the element (v r)⁻¹ * (v s) of ValueGroup₀ v.

Defined in
Mathlib.Algebra.GroupWithZero.Range
Cited by
11 results in Mathlib
Foundations
Depth 70 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
MonoidWithZeroCommGroupWithZero

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by13

Results whose statement or proof uses this declaration.