Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2021-08-03 11:13 ad83714b

View on Github →

feat(fractional_ideal): coe : ideal → fractional_ideal as ring hom (#8511) This PR bundles the coercion from integral ideals to fractional ideals as a ring hom, and proves the missing simp lemmas that show the map indeed preserves the ring structure.

Estimated changes