A parallel rewriting system; a rewriting system in which as many rewrite rules as possible are applied at each step.

A set of axioms or axiom schemata from which theorems can be derived.

(computing) Abbreviation of System request.

A school of psychology that seeks to address people not on an individual level, as was the focus of earlier forms of therapy, but as people in relationships, dealing with the interactional patterns and group dynamics.

plural of double star system

plural of sub-system

plural of hydrostatic pressure relief system

plural of coordinate system

plural of star system

plural of planetary system