English
The curry transformation is a measurable map between function spaces; the map that curries a function is measurable.
Русский
Преобразование карри является измеримым отображением между пространствами функций; отображение карри измеримо.
LaTeX
$$$ \text{measurable\_curry} : Measurable (\text{Function.curry}) $$$
Lean4
@[fun_prop, measurability]
theorem measurable_curry : Measurable (@curry ι κ X) :=
measurable_pi_lambda _ fun _ ↦
measurable_pi_lambda _ fun _ ↦
measurable_pi_apply
_
-- This cannot be tagged with `fun_prop` because `fun_prop` can see through `Function.uncurry`.