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Record Nr. |
UNINA9910788752203321 |
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Autore |
Makkai Mihály <1939-> |
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Titolo |
Duality and definability in first order logic / / Michael Makkai |
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Pubbl/distr/stampa |
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Providence, Rhode Island : , : American Mathematical Society, , 1993 |
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©1993 |
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ISBN |
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Descrizione fisica |
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1 online resource (122 p.) |
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Collana |
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Memoirs of the American Mathematical Society, , 0065-9266 ; ; Volume 105, Number 503 |
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Disciplina |
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Soggetti |
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First-order logic |
Duality theory (Mathematics) |
Toposes |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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"September 1993, Volume 105, Number 503 (fourth of 6 numbers)." |
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Nota di bibliografia |
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Includes bibliographical references. |
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Nota di contenuto |
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""Table Of Contents""; ""Abstract""; ""Introduction""; ""1. Beth's theorem for propositional logic""; ""2. Factorizations in 2-categories""; ""3. Definable functors""; ""4. Basic notions for duality""; ""5. The Stone-type adjunction for Boolean pretoposes and ultragroupoids""; ""6. The syntax of special ultramorphisms""; ""7. The semantics of special ultramorphisms""; ""8. The duality theorem""; ""9. Preparing a functor specification""; ""10. Lifting Zawadowski's argument to ultra*morphisms""; ""11. The operations in BP* and UG""; ""12. Conclusion""; ""References"" |
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