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Results tagged with abstract-nonsense
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user 5513
Arguments working entirely at a high level of abstraction, particularly category-theoretic arguments.
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The single-plus construction is not the left adjoint of the inclusion of separated presheaves?
If $(-)^+$ were left adjoint to $\iota$, we would have $(-)^+\circ\iota=id.$, but this is impossible since $(-)^+$ applied to a separated presheaf gives its sheafification.
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