What is the difference of $\text{CAT}^{\mathbb T}$ from $\text{VAR}$ in this paper sketched below?
2026-02-23 01:02:37.1771808557
Categories/Varieties and Monads
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Being the category of models of an algebraic theory is not itself characterized by algebraic axioms. The algebraic hull is the smallest 2-category with an algebraic description containing all categories of models of algebraic theories.