English
For any f: RingQuot r →+* T, f equals Lift of ⟨f ∘ mkRingHom r, w⟩ for w: ∀ x y, r x y → f x = f y.
Русский
Для любого f: RingQuot r →+* T, выполняется f = Lift ⟨f ∘ mkRingHom r, w⟩, где w: ∀ x y, r x y → f x = f y.
LaTeX
$$$\\forall f:\\, RingQuot r \\to\\+* T,\\ f = \\operatorname{lift}(\\langle f\\circ mkRingHom r,\\ w\\rangle)$, где $w(x,y): r\\ x\\ y \\Rightarrow f x = f y$.$$
Lean4
/-- Any ring homomorphism `f : R →+* T` which respects a relation `r : R → R → Prop`
factors uniquely through a morphism `RingQuot r →+* T`.
-/
def lift :=
val_proj @wrapped✝.{}