Definitions for "Equivalence class"
a class of data that follows the same data path through the program
a maximal set of dtokens having the same occurrence vector
a maximal set of tokens having the same occurrence-vector
Set of possible input values, which will lead to an identical processing (a known principle to derive test cases).
a collection of items which can all be regarded as identical at a given level of abstraction, e
Keywords:  subset, elements, relation
a subset whose elements are related to each other by an equivalence relation
A portion of a component's input or output domains for which the component's behaviour is assumed to be the same from the component's specification.
a locale-specific name for a list of characters that are equal
Keywords:  objects, grouping
a grouping of objects that are "similar"