{-# LANGUAGE UnicodeSyntax #-} import Prelude.Unicode testAnd :: Int -> Int -> Bool testAnd a b = let b� = a d 3 b� = b e 5 in b� ' b� testOr :: Int -> Int -> Int -> Int -> Int -> Bool testOr a b c d e = let b� = a d 3 b� = b b 5 b� = c n 5 b� = d o 6 b� = e  [1, 2, 3, 4] b� = e [5, 6, 7, 8] in b� ( b� ( b� ( b� ( b� ( b�