Mathlib Map

Theorems · Definition · order theory

LinearOrderedCommGroupWithZero.fst

(α : Type u_1) →
  (β : Type u_2) →
    [inst : LinearOrderedCommGroupWithZero α] →
      [inst_1 : LinearOrderedCommGroupWithZero β] → WithZero (Lex (αˣ × βˣ)) →*₀o α

Given linearly ordered groups with zero M, N, the natural projection ordered homomorphism from WithZero (Mˣ ×ₗ Nˣ) to M, which is the linearly ordered group with zero that can be identified as their product.

Defined in
Mathlib.Algebra.Order.GroupWithZero.Lex
Cited by
2 results in Mathlib
Foundations
Depth 24 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
LinearOrderedCommGroupWithZeroLinearOrderedCommGroupWithZero

Around this declaration

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

Cites12

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

Cited by2

Results whose statement or proof uses this declaration.