2. The rule of choice >Definition: for(@, C"( ) We say " rational preference rationalization Co >Propersition3: if(9B, C(%) satisfied WA and o contain all subsets of x that is ternary and less than ternary example: Xx, z,9B=x,y,21,x, 2) C({xy})={x}C({y2})={y}C({x,-})={},C(. satisfied warp but there is no rationalization preference relation over it lectures for Chu Kechen Honors Collegelecture5 for Chu Kechen Honors College 2.The rule of choice ➢ Definition: for , we say “rational preference rationalization ➢ Propersition3: if satisfied WA and contain all subsets of X that is ternary and less than ternary. ⚫ example: X={x,y,z}, B ={{x,y},{y,z},{x,z}}, C({x,y})={x},C({y,z})={y},C({x,z})={z},(B , C(.)) satisfied WARP, but there is no rationalization preference relation over it. ( , (., )) C  B % % C(.) ( , (., )) C  B % B