English
In the InducedWideCategory construction, the induced functor wideInducedFunctor F P : InducedWideCategory D F P ⥤ D is faithful; i.e., it reflects equality of morphisms.
Русский
В конструировании InducedWideCategory индуцируемый функтор wideInducedFunctor F P: InducedWideCategory D F P ⥤ D является верным; то есть он отображает равенство мортов полностью.
LaTeX
$$$\\operatorname{Faithful}((\\mathrm{wideInducedFunctor}\\;F\\;P))$$$
Lean4
/-- The induced functor `wideInducedFunctor F P : InducedWideCategory D F P ⥤ D`
is faithful. -/
instance faithful : (wideInducedFunctor F P).Faithful where
map_injective {X Y} f g
eq := by
cases f
cases g
aesop