INTRODUCTION.

I.

THE SOUL AND LIFE.

ARISTOTLE'S theories regarding the structure and functions of the 'soul' are found chiefly in the De Anima On the Soul¹✓ and the tractates collectively known as the Parva Naturalia Short Natural Treatises.²✓ These works belong to that part of the corpus body of work which deals with what Aristotle understands by Physics natural science, i.e. the world of corporeal substances, substances subject to motion and rest. (Mathematical bodies, not being subject to motion, are excluded.) Soul is ascribed to all bodies whose principle of motion is inherent in their own nature. red X In other words, it is to all organic bodies that Aristotle applies the term; to him the word 'soul' is synonymous with the word 'life.'Underlined in original ink Accordingly, the higher phenomena of mental life are included among the vital activities. Aristotle, therefore, regards Psychology from the point of view of underlined in redBiology.underlined in red

The philosopher of Stagira Aristotle's birthplace is known chiefly through his works on Logic, Metaphysics, Ethics, and Politics. It was mainly through these disciplines that he dominated the intellectual development of the western world down to the era of modern science; and yet his writings on Physics

¹ See note, Translation, p. 1.      ² See note, Translation, p. 145.