Mathlib Changelog
v4
Changelog
About
Github
Theorem
Ideal.ramificationIdx_map_self_eq_one
Modification history
2026-01-11 14:20
Mathlib/NumberTheory/RamificationInertia/Basic.lean
feat(RingTheory/Localization/AtPrime): inertia degree and ramification index are preserved by localization (#27706) …
Added
Ideal.ramificationIdx_map_self_eq_one
View on Github →