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Dec
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answered Is it always the case that a free construction satisfies this universal property?
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answered Example of endofunctor in Cat that is not a 2-functor.
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answered Are cofibrant/fibrant replacements homotopically unique?
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answered Gpd as a presheaf category
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answered Can the underlying set functor corresponding to an algebraic theory always be viewed as a model of that theory?
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answered Colimits in full subcategory (of all monics) of arrow category
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answered underlying set of direct limit not the direct limit of underlying sets