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 → PropThe 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
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- CommRingstatement · cited by 17,173
- Algebrastatement · cited by 11,388
- Ringstatement · cited by 7,463
- Valuationstatement · cited by 823
- LinearOrderedCommMonoidWithZerostatement · cited by 139
Cited by19
Results whose statement or proof uses this declaration.
- Valuation.HasExtension.val_map_le_iffstatement and proof · cited by 5
- Valuation.HasExtension.val_isEquiv_comapstatement and proof · cited by 2
- Valuation.HasExtension.algebraMap_mem_maximalIdeal_iffstatement and proof · cited by 1
- Valuation.HasExtension.val_map_le_one_iffstatement and proof · cited by 1
- Valuation.HasExtension.algebraMap_injectivestatement and proof · cited by 0
- Valuation.HasExtension.algebraMap_mem_valuationSubringstatement and proof · cited by 0
- Valuation.HasExtension.algebraMap_residue_eq_residue_algebraMapstatement and proof · cited by 0
- Valuation.HasExtension.casesOnstatement and proof · cited by 0
- Valuation.HasExtension.coe_algebraMap_valuationSubring_eqstatement and proof · cited by 0
- Valuation.HasExtension.maximalIdeal_comap_algebraMap_eq_maximalIdealstatement and proof · cited by 0
- Valuation.HasExtension.mk_smul_mkstatement and proof · cited by 0
- Valuation.HasExtension.ofComapIntegerstatement · cited by 0