inverse { [i] -> [i+1] : 1 <= i <= 9 }; domain { [i] -> [i+1] : 1 <= i <= 9 }; range { [i] -> [i+1] : 1 <= i <= 9 }; { [i] -> [i+1] : 1 <= i <= 9 } compose { [i] -> [i+1] : 1 <= i <= 9 };