image_castAdd_Icc — Mathlib

English

The image of Icc i j under Fin.castAdd m is Icc (castAdd m i) (castAdd m j).

Русский

Изображение Icc i j под Fin.castAdd m равно Icc (castAdd m i) (castAdd m j).

LaTeX

$$$$\\mathrm{Fin.castAdd}\\, m'' \\mathrm{Icc} i j = \\mathrm{Icc}(\\mathrm{Fin.castAdd}\\, m\\, i)(\\mathrm{Fin.castAdd}\\, m\\, j).$$$$

Lean4

@[simp]
theorem image_castAdd_Icc (m) (i j : Fin n) : castAdd m '' Icc i j = Icc (castAdd m i) (castAdd m j) :=
  image_castLE_Icc ..

Похожие утверждения