Namespace `TrivSqZeroExt` 2 theorems

Dual numbers k[ε] as a small extension of k TrivSqZeroExt.isArtinianRing_and_exists_linearMap_range_eq_ker_fstHom_dualNumber 0 below · cited by 2 · depth 30
Trivial square-zero extensions of local rings are local TrivSqZeroExt.isLocalRing 0 below · cited by 2 · depth 35

Documents the Lean sources in this repository (Lean v4.33.1, Mathlib v4.33.0). Statements are quoted textually from the .lean files; dependency edges are the import Theorems.Thm_… lines of the proof modules. About these pages.

Namespace TrivSqZeroExt 2 theorems

Namespace `TrivSqZeroExt` 2 theorems