Import Int. Import Real. Show 1/2 Eval 4/6 Show 3 div 2 Variable x : Real Variable i : Int Variable n : Nat Show x + i + 1 + n SetOption lean::pp::coercion true Show x + i + 1 + n Show x * i + x Show x - i + x - x >= 0 Show x < x Show x <= x Show x > x