1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
concrete QueryEng of Query = { lincat Answer, Question, Object = Str ; lin Even x = "is" ++ x ++ "even" ; Odd x = "is" ++ x ++ "odd" ; Prime x = "is" ++ x ++ "prime" ; Number n = n.s ; Yes = "yes" ; No = "no" ; }