Theorem Ideal.IsDedekindDomain.ramificationIdx_ne_zero_of_liesOver

Modification history

2026-03-25 22:20
Mathlib/NumberTheory/RamificationInertia/Basic.lean
chore(NumberTheory/RamificationInerta/Basic): split file (#37173) …
Modified Ideal.IsDedekindDomain.ramificationIdx_ne_zero_of_liesOverView on Github →
2026-03-25 11:32
Mathlib/NumberTheory/RamificationInertia/Basic.lean
refactor(NumberTheory/RamificationInertia/Basic): remove the ring homomorphism from `Ideal.ramificationIdx` (#37156) …
Modified Ideal.IsDedekindDomain.ramificationIdx_ne_zero_of_liesOverView on Github →
2026-01-13 19:40
Mathlib/NumberTheory/RamificationInertia/Basic.lean
chore(Algebra): replace `NoZeroSMulDivisors` with `Module.IsTorsionFree` wlog (#30563) …
Modified Ideal.IsDedekindDomain.ramificationIdx_ne_zero_of_liesOverView on Github →
2025-08-29 12:37
Mathlib/NumberTheory/RamificationInertia/Basic.lean
feat(Ideal): Add `ramificationIdxIn`/`inertiaDegIn` not zero (#29068)
Added Ideal.IsDedekindDomain.ramificationIdx_ne_zero_of_liesOverView on Github →