1. Preference >Propersition1: if is rational, then >is irreflexive and transitive is reflexive and transitive and symmetric If xsy%z,then x>z lecture for Chu Kechen Honors Collegelecture4 for Chu Kechen Honors College 1.Preference ➢ Propersition1: if is rational, then: ⚫ is irreflexive and transitive ⚫ is reflexive and transitive and symmetric ⚫ If % , then x y z x z %