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].
@article{bwmeta1.element.doi-10_2478_forma-2013-0025,
author = {Maciej Golinski and Artur Korni\l owicz},
title = {Coproducts in Categories without Uniqueness of cod and dom},
journal = {Formalized Mathematics},
volume = {21},
year = {2013},
pages = {235-239},
zbl = {1298.18004},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_forma-2013-0025}
}
Maciej Golinski; Artur Korniłowicz. Coproducts in Categories without Uniqueness of cod and dom. Formalized Mathematics, Tome 21 (2013) pp. 235-239. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_forma-2013-0025/
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