I've heard that someone's thought up a way of using category theory, involving something called topoi, as a foundation for mathematics. If this is true then are there any texts which explain such a categorical approach to foundations? Preferably one which is self-contained, as while I'm sure I could, with time, teach myself the category theory required...I'd rather have it bundled up in a package for me.
2026-03-29 22:15:21.1774822521
Categorical Foundations text
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The best book for your purposes would be McLarty, Elementary Categories, Elementary Toposes.