Categorical univalence of a universe does not entail function extensionality, as shown by polynomial models of type theory that refute the latter while satisfying the former.
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Generalizes categorical theories to coherent theories and proves a duality identifying the 2-category of categorical pretopoi with profinite monoids, further realizing the latter as a full sub-2-category of topoi via classifying topos.
Categorical models of Differential Linear Logic are expressed as pairs of Grothendieck fibrations equipped with a tangent functor by adapting type-theory semantics to linear-non-linear adjunctions, as a first step toward unifying DiLL with dependent types.
This paper overviews monads in 2-categories and defines two new double categories of monads extending Lack and Street's 2-categories of monads.
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Univalence without function extensionality
Categorical univalence of a universe does not entail function extensionality, as shown by polynomial models of type theory that refute the latter while satisfying the former.
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Duality theory for categorical theories
Generalizes categorical theories to coherent theories and proves a duality identifying the 2-category of categorical pretopoi with profinite monoids, further realizing the latter as a full sub-2-category of topoi via classifying topos.
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A Fibrational Perspective on Differential Linear Logic
Categorical models of Differential Linear Logic are expressed as pairs of Grothendieck fibrations equipped with a tangent functor by adapting type-theory semantics to linear-non-linear adjunctions, as a first step toward unifying DiLL with dependent types.
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Monads in 2-categories
This paper overviews monads in 2-categories and defines two new double categories of monads extending Lack and Street's 2-categories of monads.