Text this: The Mathematics of Preference, Choice and Order

 ______      ___     _____     __   __    _____   
|      \\   / _ \\  |  __ \\   \ \\/ //  / ____|| 
|  --  //  / //\ \\ | |  \ ||   \ ` //  / //---`' 
|  --  \\ |  ___  ||| |__/ ||    | ||   \ \\___   
|______// |_||  |_|||_____//     |_||    \_____|| 
`------`  `-`   `-`  -----`      `-`'     `----`