# Which binary relations are functions evuciso906821862

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Which binary relations are functions. Preferences, , Binary Relations, Utility Functions Suppose we continue to assume that a particular consumer s preference is described by a utility.

For instance, Functions between Small Sets Chris Boucher., a subset of A B, called abinary relation from A to B is a collection of ordered lations

Since all functions are binary relations, it is correct to use thefat] semicolon for function composition as well. Binary relations establish a relationship between elements of two sets Definition: Let A , B be two sets A binary relation from A to B is a subset of AB. CS340 Discrete Structures Section 4 1 Page 3 Properties of Binary Relations: R is reflexive x R x for all x A Every element is related to itself.