2. The rule of choice >Definition: for (@B, C"( % ) We say rational preference rationalization co Propersition3: if(9B, C( %)satisfied WA and og contain all subsets of x that is ternary and less than ternary example: X-x,v, 2,08=x,y,y2i,x, 2)) C({x,y})={x},C({=})={y}C({x,})={},(∞,C() satisfied Warp but there is no rationalization preference relation over it lecture for Chu Kechen Honors Collegelecture4 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