English
The generic point of the irreducible component, mapped back, returns to the original irreducible component: (genericPoints.component (genericPoints.ofComponent x)) = x.
Русский
Генерирующая точка неразложимого компонента, возвращенная через компоненту обратно, возвращает исходный компонент.
LaTeX
$$$\\text{component}(\\text{ofComponent}(x)) = x$ for all x in irreducibleComponents α.$$
Lean4
@[simp]
theorem component_ofComponent [QuasiSober α] (x : irreducibleComponents α) : component (ofComponent x) = x :=
Subtype.ext (isGenericPoint_ofComponent x)