Products in Categories without Uniqueness of cod and dom

• Autorzy: Artur Korniłowicz
• Języki publikacji: EN

Abstrakty

EN

The paper introduces Cartesian products in categories without uniqueness of cod and dom. It is proven that set-theoretical product is the product in the category Ens [7].

• Wydawca: De Gruyter Open
• Czasopismo: Formalized Mathematics
• Rocznik: 2012
• Tom: 20
• Numer: 4
• Strony: 303-307

Daty

wydano

2012-12-01

online

2013-02-02

Twórcy

autor

Artur Korniłowicz

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

Bibliografia

• [1] Grzegorz Bancerek. König’s theorem. Formalized Mathematics, 1(3):589-593, 1990.
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• [3] Czesław Bylinski. Functions from a set to a set. Formalized Mathematics, 1(1):153-164, 1990.
• [4] Czesław Bylinski. Partial functions. Formalized Mathematics, 1(2):357-367, 1990.
• [5] Czesław Bylinski. Some basic properties of sets. Formalized Mathematics, 1(1):47-53, 1990.
• [6] Beata Madras. Basic properties of objects and morphisms. Formalized Mathematics, 6(3):329-334, 1997.
• [7] Zbigniew Semadeni and Antoni Wiweger. Wst¸ep do teorii kategorii i funktorów, volume 45 of Biblioteka Matematyczna. PWN, Warszawa, 1978.
• [8] Andrzej Trybulec. Binary operations applied to functions. Formalized Mathematics, 1(2):329-334, 1990.
• [9] Andrzej Trybulec. Many sorted sets. Formalized Mathematics, 4(1):15-22, 1993.
• [10] Andrzej Trybulec. Categories without uniqueness of cod and dom. Formalized Mathematics, 5(2):259-267, 1996.
• [11] Zinaida Trybulec. Properties of subsets. Formalized Mathematics, 1(1):67-71, 1990.
• [12] Edmund Woronowicz. Relations and their basic properties. Formalized Mathematics, 1(1):73-83, 1990.

Identyfikatory

DOI

10.2478/v10037-012-0036-7