Aristotle had treated directly problems such as the trajectory of missiles, the habits of animals, how knowledge is acquired, the freedom of the will, how virtue is connected with happiness, the relationship of the lunar and the sublunar worlds.
Aristoteles telah secara langsung memperlakukan masalah-masalah seperti lintasan rudal, kebiasaan binatang, cara pengetahuan diperoleh, kebebasan berkehendak, cara kebaikan terhubung dengan kebahagiaan, hubungan antara dunia lunar dan sublunar.