Now, regarding the Ideas, we must first examine the ideal theory itself, not connecting it in any way with the nature of numbers, but treating it in the form in which it was originally understood by those who first maintained the existence of the Ideas.
Eta Ideiei dagokienez, 10) Ideiei buruzko doktrina bera aztertu behar dugu lehenengoz, Zenbakien izaeratik guztiz aparte, hasieran Ideien existentzia baieztatu zuten lehenengoek onartu zuten bezala.