https://sguzman.github.io/marginalia/categories/foundations/Recent content in Foundations on MarginaliaHugoen-usMon, 04 May 2026 00:00:00 +0000https://sguzman.github.io/marginalia/posts/category-theory/Thu, 12 Feb 2026 00:00:00 +0000https://sguzman.github.io/marginalia/posts/category-theory/A historically grounded overview of category theory’s origins (1935–1965), from the foundations crisis and structuralism to Eilenberg–Mac Lane’s definitions and later expansion via Grothendieck and Lawvere.