# Products in Categories without Uniqueness of cod and dom

Formalized Mathematics (2012)

- Volume: 20, Issue: 4, page 303-307
- ISSN: 1426-2630

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topArtur Korniłowicz. "Products in Categories without Uniqueness of cod and dom." Formalized Mathematics 20.4 (2012): 303-307. <http://eudml.org/doc/268212>.

@article{ArturKorniłowicz2012,

abstract = {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].},

author = {Artur Korniłowicz},

journal = {Formalized Mathematics},

language = {eng},

number = {4},

pages = {303-307},

title = {Products in Categories without Uniqueness of cod and dom},

url = {http://eudml.org/doc/268212},

volume = {20},

year = {2012},

}

TY - JOUR

AU - Artur Korniłowicz

TI - Products in Categories without Uniqueness of cod and dom

JO - Formalized Mathematics

PY - 2012

VL - 20

IS - 4

SP - 303

EP - 307

AB - 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].

LA - eng

UR - http://eudml.org/doc/268212

ER -

## References

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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. Zbl0445.18001
- [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.

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