Why all rings should have a 1
Rings and Algebras
2014-04-02 v1
Abstract
We argue that the definition of ring should require the existence of a multiplicative identity 1 because this requirement is part of what associativity should be. We list counterarguments in order to rebut them.
Keywords
Cite
@article{arxiv.1404.0135,
title = {Why all rings should have a 1},
author = {Bjorn Poonen},
journal= {arXiv preprint arXiv:1404.0135},
year = {2014}
}
Comments
4 pages