image_castAdd_Ico — Mathlib

English

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

Русский

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

LaTeX

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

Lean4

@[simp]
theorem image_castAdd_Ico (m) (i j : Fin n) : castAdd m '' Ico i j = Ico (castAdd m i) (castAdd m j) :=
  image_castLE_Ico ..

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