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Added
For a treatment in homotopy type theory see
- Dan Frumin, Herman Geuvers, Léon Gondelman, Niels van der Weide, Finite Sets in Homotopy Type Theory, (pdf)
Re-organised slightly. Added a brief introductory section, moved a couple of paragraphs of existing content into it. Removed the two context menus ’foundations’ and ’mathematics’ which I don’t think really fit here (the latter is arguably too general to be useful on any page).
Intend to add a new section in a subsequent edit.
Richard, maybe we can mention (in the “Viewing as schemes” section) that a finite coproduct of affine schemes , , is again affine, . Taking , we can view the finite set as the (affine) scheme . This agrees with what you wrote, but seems more canonical.
Nice! Great if you can go ahead and make an edit if you have time, as I’ll be tied up until the evening European time!
Maybe keep the explicit description, but add the nice canonical one in addition?
Thanks for the edit!
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