# Coproducts in Categories without Uniqueness of cod and dom

Maciej Golinski; Artur Korniłowicz

Formalized Mathematics (2013)

- Volume: 21, Issue: 4, page 235-239
- ISSN: 1426-2630

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topMaciej Golinski, and Artur Korniłowicz. "Coproducts in Categories without Uniqueness of cod and dom." Formalized Mathematics 21.4 (2013): 235-239. <http://eudml.org/doc/266787>.

@article{MaciejGolinski2013,

abstract = {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].},

author = {Maciej Golinski, Artur Korniłowicz},

journal = {Formalized Mathematics},

keywords = {coproducts; disjoined union},

language = {eng},

number = {4},

pages = {235-239},

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

url = {http://eudml.org/doc/266787},

volume = {21},

year = {2013},

}

TY - JOUR

AU - Maciej Golinski

AU - Artur Korniłowicz

TI - Coproducts in Categories without Uniqueness of cod and dom

JO - Formalized Mathematics

PY - 2013

VL - 21

IS - 4

SP - 235

EP - 239

AB - 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].

LA - eng

KW - coproducts; disjoined union

UR - http://eudml.org/doc/266787

ER -

## References

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- [10] Andrzej Trybulec. Categories without uniqueness of cod and dom. Formalized Mathematics, 5(2):259-267, 1996.
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- [14] Edmund Woronowicz. Relations and their basic properties. Formalized Mathematics, 1(1):73-83, 1990.

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