[T]he Quantities compared with reſpect to ſuch a Meaſure are by Geometricians wont to be called Symmetrous or Aſſymmetrous, i.e. Commenſurable or Incommenſurable, and ſcarce any Thing in the Mathematics is more wonderful or more uſeful than the Contemplation of thoſe Properties, though nothing more remote from a vulgar Capacity and Conception.