Exercises 


map (\x > x * 2 + 3) xs
foldr (\x y > read x + y) 1 xs
(\x > 4 + x) :: Int > Int
(\xs > elem 1 xs) :: [Int] > Bool
(\c > notElem c "abc") :: Char > Bool
Exercises 


map (\x > x * 2 + 3) xs
foldr (\x y > read x + y) 1 xs
(\x > 4 + x) :: Int > Int
(\xs > elem 1 xs) :: [Int] > Bool
(\c > notElem c "abc") :: Char > Bool