English
Extensionality lemma for algebra homomorphisms from RingQuot via mkAlgHom.
Русский
Лемма экстенсиональности для алгебра-гомоморфизмов из RingQuot через mkAlgHom.
LaTeX
$$$\\text{ringQuot_ext'}$ for AlgHom: if f,g: RingQuot s →_A[S] B and w: f ∘ mkAlgHom S s = g ∘ mkAlgHom S s, then f=g.$$
Lean4
/-- Any `S`-algebra homomorphism `f : A →ₐ[S] B` which respects a relation `s : A → A → Prop`
factors uniquely through a morphism `RingQuot s →ₐ[S] B`.
-/
def liftAlgHom :=
val_proj @wrapped✝.{}