mathlib

cceedbca - feat(ring_theory/derivation): The Kähler differential module is functorial (#17018)

feat(ring_theory/derivation): The Kähler differential module is functorial (#17018) Co-authored-by: Alex J Best <alex.j.best@gmail.com> Co-authored-by: Andrew Yang <36414270+erdOne@users.noreply.github.com>