Theorem Algebra.Extension.formallySmooth_iff_split_injection

Modification history

2025-11-06 18:48
Mathlib/RingTheory/Smooth/Basic.lean
chore(RingTheory): redefine `FormallySmooth` in terms of `Ω[S⁄R]` and `H¹(L_{S/R})` (#30876) …
Modified Algebra.Extension.formallySmooth_iff_split_injectionView on Github →
2025-01-07 20:32
Mathlib/RingTheory/Smooth/Kaehler.lean
feat(RingTheory): Jacobian criterion for smoothness of local algebras (#20326)
Added Algebra.Extension.formallySmooth_iff_split_injectionView on Github →