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Theorems · Definition · commutative algebra

ValuationSubring.unitGroup

{K : Type u} → [inst : Field K] → ValuationSubring K → Subgroup Kˣ

The unit group of a valuation subring, as a subgroup of .

Defined in
Mathlib.RingTheory.Valuation.ValuationSubring
Cited by
16 results in Mathlib
Foundations
Depth 79 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Field

Around this declaration

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

ValuationSubring.unitGroupMulEquiv · cited by 7ValuationSubring.unitGrou…Set.unit · cited by 5Set.unitValuationSubring.unitGroupToResidueFieldUnits · cited by 5ValuationSubring.unitGrou…ValuationSubring.unitsModPrincipalUnitsEquivResidueFieldUnits · cited by 2ValuationSubring.unitsMod…ValuationSubring.unitGroup_injective · cited by 1ValuationSubring.unitGrou…ValuationSubring.unitGroupOrderEmbedding · cited by 1ValuationSubring.unitGrou…ValuationSubring.ker_unitGroupToResidueFieldUnits · cited by 0ValuationSubring.ker_unit…ValuationSubring.principal_units_le_units · cited by 0ValuationSubring.principa…Set.unit_eq · cited by 0Set.unit_eqValuationSubring.coe_mem_principalUnitGroup_iff · cited by 0ValuationSubring.coe_mem_…ValuationSubring.coe_unitGroupMulEquiv_apply · cited by 0ValuationSubring.coe_unit…ValuationSubring.coe_unitGroupMulEquiv_symm_apply · cited by 0ValuationSubring.coe_unit…ValuationSubring.coe_unitGroupToResidueFieldUnits_apply · cited by 0ValuationSubring.coe_unit…ValuationSubring.surjective_unitGroupToResidueFieldUnits · cited by 0ValuationSubring.surjecti…ValuationSubring.mem_unitGroup_iff · cited by 0ValuationSubring.mem_unit…Field · cited by 7404FieldSubgroup · cited by 3593SubgroupUnits · cited by 2804UnitsMonoidHom.comp · cited by 469MonoidHom.compMonoidHom.ker · cited by 212MonoidHom.kerValuationSubring · cited by 187ValuationSubringUnits.coeHom · cited by 44Units.coeHomMonoidWithZeroHom.toMonoidHom · cited by 39MonoidWithZeroHom.toMonoi…ValuationSubring.valuation · cited by 29ValuationSubring.valuationValuation.toMonoidWithZeroHom · cited by 16Valuation.toMonoidWithZer…ValuationSubring.unitGroupCITED BYCITES

Cites10

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

Cited by21

Results whose statement or proof uses this declaration.