prodComparison_snd — Mathlib

English

Similarly, prodComparison composed with the second projection yields F.map prod.snd: prodComparison F A B ≫ prod.snd = F.map prod.snd.

Русский

similarly, prodComparison после второй проекции дает F.map prod.snd: prodComparison F A B ≫ prod.snd = F.map prod.snd.

LaTeX

$$$ \\operatorname{prodComparison} F A B \\; \\gg \\operatorname{prod.snd} = F.map \\operatorname{prod.snd}$$$

Lean4

@[reassoc (attr := simp)]
theorem prodComparison_snd : prodComparison F A B ≫ prod.snd = F.map prod.snd :=
  prod.lift_snd _ _

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