Let RRR be a commutative ring and let a,b∈Ra,b \in Ra,b∈R. We say that aaa divides bbb if there exists r∈Rr\in Rr∈R such that a=rba = rba=rb. Equivalently, aaa divides bbb if the ideal generated by bbb is contained in the ideal generated by aaa.
Wikidata ID: Q1226939