Set: pp::colors
  Set: pp::unicode
1 / 2
2/3
3 div 2
  Assumed: x
  Assumed: i
  Assumed: n
x + i + 1 + n
  Set: lean::pp::coercion
x + int_to_real i + nat_to_real 1 + nat_to_real n
x * int_to_real i + x
x - int_to_real i + x - x ≥ nat_to_real 0
x < x
x ≤ x
x > x