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clayrat / sheafify.v
Created February 27, 2026 22:35 — forked from andrejbauer/sheafify.v
Sheafification with respect to a Lawvere-Tierney closure in logical form.
(* The basic theory of Lawvere-Tierney operators and sheafification in logical form.
This formalization is based on:
Barbara Veit: A proof of the associated sheaf theorem by means of categorical logic,
The Journal of Symbolic Logic , Volume 46 , Issue 1 , March 1981 , pp. 45–55
DOI: https://doi.org/10.2307/2273255
*)
Require Import Utf8.