English
Division in RatFunc matches division in the fraction ring: ofFractionRing(p/q) = ofFractionRing(p) / ofFractionRing(q).
Русский
Деление в RatFunc совпадает с делением в дробной локализации: ofFractionRing(p/q) = ofFractionRing(p)/ofFractionRing(q).
LaTeX
$$$\forall p,q \in \mathrm{FractionRing}(K[X]),\; \operatorname{ofFractionRing}(p/q) = \operatorname{ofFractionRing}(p) / \operatorname{ofFractionRing}(q)$$$
Lean4
theorem ofFractionRing_div (p q : FractionRing K[X]) : ofFractionRing (p / q) = ofFractionRing p / ofFractionRing q :=
(div_def _ _).symm