English
For an object X in an algebra over a monad, the map top maps to the coequalizer agree with the bottom map after passing through the common projection π: the top and bottom maps commute with π.
Русский
Для объекта X над алгеброй монад, отображения верхнее и нижнее согласованы через общий проекция π: topMap(X)∘π_X = bottomMap(X)∘π_X.
LaTeX
$$$FreeCoequalizer.topMap X \;\gg\; FreeCoequalizer.\pi X = FreeCoequalizer.bottomMap X \;\gg\; FreeCoequalizer.\pi X.$$$
Lean4
theorem condition :
FreeCoequalizer.topMap X ≫ FreeCoequalizer.π X = FreeCoequalizer.bottomMap X ≫ FreeCoequalizer.π X :=
Algebra.Hom.ext X.assoc.symm