[**knowledge base**]

RING, commutative ring, almost a ring, semiring, zero ring, zero property, zero divisors, domain, integral domain, and their underlying definitions are presented in this white paper (knowledge base).

https://doi.org/10.31219/osf.io/bzugr

**Open Mathematics Collaboration**

Op. J. Math. Phys.

Volume 3, Article 216, 2021 [IM]