Rings are used to describe properties of polynomials, ideals etc. Almost all computations in PLURAL require a basering. For a detailed description of the concept of rings see Rings and orderings.
Note: PLURAL works with global orderings only (see Getting started with PLURAL).
7.2.7.1 ring declarations (plural) 7.2.7.2 ring operations (plural) 7.2.7.3 ring related functions (plural)