{-# htermination (ltEsMyBool :: MyBool -> MyBool -> MyBool) #-} import qualified Prelude data MyBool = MyTrue | MyFalse data List a = Cons a (List a) | Nil ltEsMyBool :: MyBool -> MyBool -> MyBool ltEsMyBool MyFalse MyFalse = MyTrue; ltEsMyBool MyFalse MyTrue = MyTrue; ltEsMyBool MyTrue MyFalse = MyFalse; ltEsMyBool MyTrue MyTrue = MyTrue;