isoPresheafedSpace — Mathlib

English

The sections mapped along f_jk and t_jk are compatible under the gluing maps, yielding equality of the two ways to go around a square in the diagram.

Русский

Разности отображений по f_jk и t_jk совместимы и дают равенство двух путей вокруг квадрата в диаграмме.

LaTeX

$$$D.opensImagePreimageMap\_app\_assoc = ...$$$

Lean4

/-- The gluing as sheafed spaces is isomorphic to the gluing as presheafed spaces. -/
abbrev isoPresheafedSpace : 𝖣.glued.toPresheafedSpace ≅ D.toPresheafedSpaceGlueData.toGlueData.glued :=
  𝖣.gluedIso forgetToPresheafedSpace

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