FeatureSystem

A 3-tuple: (1) a set of FeatureValues, (2) the particular FeatureAssignmentSystem according to which the values are assigned inherently to elements in the given language, and (3) the particular FeatureDistributionSystem according to which the values are determined contextually for elements in the given language. The class of grammatical opposition sets relevant for a specific domain (tense, aspect, number, etc.) in a given language.

FeatureSystem

A 3-tuple: (1) a set of FeatureValues, (2) the particular FeatureAssignmentSystem according to which the values are assigned inherently to elements in the given language, and (3) the particular FeatureDistributionSystem according to which the values are determined contextually for elements in the given language. The class of grammatical opposition sets relevant for a specific domain (tense, aspect, number, etc.) in a given language.