Theorem Valuation.valuationSubring_isPrincipalIdealRing

Modification history

2026-09-16 13:44
Mathlib/RingTheory/Valuation/Discrete/Basic.lean
fix(Algebra/MonoidWithZeroHom): normalize to `.toMonoidWithZeroHom` (#43728) …
Modified Valuation.valuationSubring_isPrincipalIdealRingView on Github →
2026-06-06 05:44
Mathlib/RingTheory/Valuation/Discrete/Basic.lean
fix(RingTheory/Valuation): change `ValueGroup` from taking HomClass to Hom (#36911) …
Modified Valuation.valuationSubring_isPrincipalIdealRingView on Github →
2025-07-26 15:56
Mathlib/RingTheory/Valuation/Discrete/Basic.lean
feat(RingTheory/Valuation/Discrete/Basic): relate DVRs and discrete valuations (#26623) …
Added Valuation.valuationSubring_isPrincipalIdealRingView on Github →