This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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HackerNoon
hackernoon.com
did:plc:kbzotn4ippvrqllcitxglgm2
A clear, accessible explanation of universal properties, equality, and why mathematicians treat many different constructions as “the same” object. #mathematicallogic
https://hackernoon.com/inside-the-logic-of-products-and-equality-in-set-theory
2025-12-10T12:00:17.230Z