English
If h is RightInverse f g, then map f and map g are RightInverse as functions on lists.
Русский
Если h = RightInverse f g, то List.map f и List.map g образуют правый обратный пары на списках.
LaTeX
$$$\\\\forall {f:\\\\alpha \\\\to \\\\beta} {g:\\\\beta \\\\to \\\\alpha},\\\\,\\\\text{RightInverse } f g \\\\Rightarrow \\\\text{RightInverse } (\\\\operatorname{List.map} f) (\\\\operatorname{List.map} g).$$$
Lean4
nonrec theorem _root_.Function.RightInverse.list_map {f : α → β} {g : β → α} (h : RightInverse f g) :
RightInverse (map f) (map g) :=
h.list_map