English
Two compatible strict universal properties yield an isLocalization structure by mk'.
Русский
Две совместимые строгие универсальные свойства образуют структуру локализации через mk'.
LaTeX
$$$IsLocalization.mk'\\ L\\ W\\ h1\\ h2$$$
Lean4
theorem mk' (h₁ : Localization.StrictUniversalPropertyFixedTarget L W D)
(h₂ : Localization.StrictUniversalPropertyFixedTarget L W W.Localization) : IsLocalization L W :=
{ inverts := h₁.inverts
isEquivalence :=
IsEquivalence.mk' (h₂.lift W.Q W.Q_inverts)
(eqToIso
(Localization.Construction.uniq _ _
(by simp only [← Functor.assoc, Localization.Construction.fac, h₂.fac, Functor.comp_id])))
(eqToIso
(h₁.uniq _ _ (by simp only [← Functor.assoc, h₂.fac, Localization.Construction.fac, Functor.comp_id]))) }