PHILOS 3 Lecture Notes - Lecture 5: Sphericity, Exoteric
Document Summary
Went to athens to study philosophy within plato"s founded school (the academy) for 20 years, started when he was 17. Became a teacher to alexander the great at macedonia. Founded a school himself when he came back to athens (the lyceum) By written as well as to be talked to. Meant to have an audience outside of professional philosophers. No complete works cannot be found and only pieces. Substance comes before quantity, quality and so on; a quality (green) cannot exist apart from the substance or thing that is green. Aristotle says that substance is of three kinds, but this classification will change: sensible, eternal (stars and planets, perishable (plants and animals, insensible and immovable or unchangeable, forms and/or, objects of mathematics. Change is not just the change of lumpy to spherical. So far, three items are involved in change: Change or motion is of four kinds, altering on object. Substantial change alters essence, changing what a thing is.
