No, the Yoneda lemma doesn’t solve the problem of qualia

Category theory is an extremely insightful subject but its generality, the plethora of structural heuristics it provides, as well as its apparent conceptual simplicity make it very prone to cargo-culting. And the Yoneda lemma, being one of the most prominent theorems in category theory and one a student encounters relatively early, is object of many misunderstandings.

This is a companion discussion topic for the original entry at

You’re doing God’s work here Matteo.

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