Mathlib Changelog
v4
Changelog
About
Github
Theorem
Ideal.ramificationIdx'_smul
Modification history
2026-07-01 14:15
Mathlib/RingTheory/RamificationInertia/Ramification.lean
chore(RingTheory/RamificationInertia/RamificationIdx): swap primes on `ramificationIdx` and `ramificationIdx'` (#41234) …
Deleted
Ideal.ramificationIdx'_smul
View on Github →
2026-05-28 15:08
Mathlib/RingTheory/RamificationInertia/Ramification.lean
feat(RingTheory/RamificationInertia/Ramification): ramification index is invariant under a group action (#39678) …
Added
Ideal.ramificationIdx'_smul
View on Github →