Dialogue

 1 Phileb|       The pure part consists of arithmetic, mensuration, and weighing.
 2 Phileb|      But there is also a higher arithmetic, and a higher mensuration,
 3 Phileb|        of all of them is really arithmetic and mensuration. But arithmetic
 4 Phileb| arithmetic and mensuration. But arithmetic and mensuration again may
 5 Phileb|        Thus we have two arts of arithmetic, and two of mensuration.
 6 Phileb|          I mean to say, that if arithmetic, mensuration, and weighing
 7 Phileb| PROTARCHUS: I see that you mean arithmetic, and the kindred arts of
 8 Phileb|   SOCRATES: In the first place, arithmetic is of two kinds, one of
 9 Phileb|     supposed to be two sorts of arithmetic.~SOCRATES: And when we compare
10 Phileb|      that those arts into which arithmetic and mensuration enter, far
11 Phileb|      That there are two arts of arithmetic, and two of mensuration;