public address system

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

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 embedded system

plural of sound system

(politics) A democratic parliamentary system of government, used by and modelled after the British parliament in Westminster.

plural of Westminster system

(logic) A set of axioms and a set of inference rules which are jointly used to deduce tautologies, thereby providing proofs of them.

plural of axiomatic system

plural of systems science