Mathlib Map

Theorems · Inductive type · commutative algebra

Valuation.HasExtension

{R : Type u_1} →
  {A : Type u_2} →
    {ΓR : Type u_3} →
      {ΓA : Type u_4} →
        [inst : CommRing R] →
          [inst_1 : Ring A] →
            [inst_2 : LinearOrderedCommMonoidWithZero ΓR] →
              [inst_3 : LinearOrderedCommMonoidWithZero ΓA] → [Algebra R A] → Valuation R ΓR → Valuation A ΓA → Prop

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
Cited by
17 results in Mathlib
Foundations
Depth 6 from the axioms · uses no axioms
Assumes
CommRingRingLinearOrderedCommMonoidWithZeroLinearOrderedCommMonoidWithZeroAlgebra

Around this declaration

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

Valuation.HasExtension.val_map_le_iff · cited by 5HasExtension.val_map_le_i…Valuation.HasExtension.val_isEquiv_comap · cited by 2HasExtension.val_isEquiv_…Valuation.HasExtension.algebraMap_mem_maximalIdeal_iff · cited by 1HasExtension.algebraMap_m…Valuation.HasExtension.val_map_le_one_iff · cited by 1HasExtension.val_map_le_o…Valuation.HasExtension.algebraMap_injective · cited by 0HasExtension.algebraMap_i…Valuation.HasExtension.algebraMap_mem_valuationSubring · cited by 0HasExtension.algebraMap_m…Valuation.HasExtension.algebraMap_residue_eq_residue_algebraMap · cited by 0HasExtension.algebraMap_r…Valuation.HasExtension.casesOn · cited by 0HasExtension.casesOnValuation.HasExtension.coe_algebraMap_valuationSubring_eq · cited by 0HasExtension.coe_algebraM…Valuation.HasExtension.maximalIdeal_comap_algebraMap_eq_maximalIdeal · cited by 0HasExtension.maximalIdeal…Valuation.HasExtension.mk_smul_mk · cited by 0HasExtension.mk_smul_mkValuation.HasExtension.ofComapInteger · cited by 0HasExtension.ofComapInteg…Valuation.HasExtension.recOn · cited by 0HasExtension.recOnValuation.HasExtension.val_algebraMap · cited by 0HasExtension.val_algebraM…Valuation.HasExtension.val_map_eq_iff · cited by 0HasExtension.val_map_eq_i…CommRing · cited by 17173CommRingAlgebra · cited by 11388AlgebraRing · cited by 7463RingValuation · cited by 823ValuationLinearOrderedCommMonoidWithZero · cited by 139LinearOrderedCommMonoidWi…Valuation.HasExtensionCITED BYCITES

Cites5

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

Cited by19

Results whose statement or proof uses this declaration.