It is evident, then, that it belongs to one science to be able to give an account of these concepts as well as of substance (this was one of the questions in our book of problems), and that it is the function of the philosopher to be able to investigate all things.
Agerian dago (Aporietan esana dagoen bezala), nozio hauei eta substantziari buruz arrazoitzea zientzia bakar bati dagokiola (hauxe bera zen aporietako bat) eta filosofoari dagokiola kontu hauei guztiei buruz 1004b) aztertu ahal izatea.