Theorem Ideal.absNorm_eq_index

Modification history

2026-10-17 09:16
Mathlib/RingTheory/Ideal/Norm/AbsNorm.lean
refactor(RingTheory/Ideal/Norm): give `Ideal.absNorm` the junk value `0` at `⊥` (#44698) …
Modified Ideal.absNorm_eq_indexView on Github →
2026-05-11 14:41
Mathlib/RingTheory/Ideal/Norm/AbsNorm.lean
feat: add more API for (rel)index and ideals (#39118) …
Added Ideal.absNorm_eq_indexView on Github →