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On orthogonal subcategories of locally presentable categories - MaRDI portal

On orthogonal subcategories of locally presentable categories (Q1201243)

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scientific article; zbMATH DE number 97494
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On orthogonal subcategories of locally presentable categories
scientific article; zbMATH DE number 97494

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    On orthogonal subcategories of locally presentable categories (English)
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    17 January 1993
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    The authors prove that the statement ``every full limit-closed subcategory of a locally presentable category is orthogonal'' is undecidable. It is equivalent to a large-cardinal principle. For dual categories of locally presentable categories the situation is analogous.
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    limit-closed subcategory
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    locally presentable category
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    large-cardinal principle
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    dual categories
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