Mathlib Changelog
v4
Changelog
About
Github
Theorem
ValuationSubring.principalUnitGroup_le_principalUnitGroup
Modification history
2023-06-21 16:11
Mathlib/RingTheory/Valuation/ValuationSubring.lean
feat: port RingTheory.Valuation.ValuationSubring (#4791)
Added
ValuationSubring.principalUnitGroup_le_principalUnitGroup
View on Github →