Coproducts in Categories without Uniqueness of cod and dom

• Autorzy: Maciej Golinski , Artur Korniłowicz
• Języki publikacji: EN

Abstrakty

EN

The paper introduces coproducts in categories without uniqueness of cod and dom. It is proven that set-theoretical disjoint union is the coproduct in the category Ens [9].

Słowa kluczowe

EN

coproducts; disjoined union

• Wydawca: De Gruyter Open
• Czasopismo: Formalized Mathematics
• Rocznik: 2013
• Tom: 21
• Numer: 4
• Strony: 235-239

Daty

otrzymano

2013-12-08

Twórcy

autor

Maciej Golinski

• Institute of Informatics University of Białystok Sosnowa 64, 15-887 Białystok Poland

autor

Artur Korniłowicz

• Institute of Informatics University of Białystok Sosnowa 64, 15-887 Białystok Poland

Bibliografia

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• [9] Zbigniew Semadeni and Antoni Wiweger. Wst¸ep do teorii kategorii i funktorów, volume 45 of Biblioteka Matematyczna. PWN, Warszawa, 1978.
• [10] Andrzej Trybulec. Categories without uniqueness of cod and dom. Formalized Mathematics, 5(2):259-267, 1996.
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• [12] Andrzej Trybulec. Many sorted sets. Formalized Mathematics, 4(1):15-22, 1993.
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Identyfikatory

DOI

10.2478/forma-2013-0025