2. The rule of choice > Choice set C(B,%)={x∈B:x%y,vy∈B} > Proposition 2: if are rational, then choice construct(@B, C"( %)satisfied WA Prop 2 indicate that if the decision-maker have rational preference, than his choice satisfied WA. s his preference rationalif his choice is observed satisfy WA? lecture for Chu Kechen Honors Collegelecture4 for Chu Kechen Honors College 2.The rule of choice ➢ Choice set ➢ Proposition2: if are rational, then choice construct satisfied WA. ➢ Prop.2 indicate that if the decision-maker have rational preference, than his choice satisfied WA. Is his preference rational if his choice is observed satisfy WA? ( , (., )) C  B % % C B x B x y y B ( , ) { : , }  % % =   