PHL200Y1 Lecture 4: PHL200 – LECTURE #4
Document Summary
Substance: coming into being, passing out of being: u(cid:374)i(cid:395)ue (cid:271)e(cid:272)ause . Quantity: changes in weight, height, growing, shrinking etc. Quality: changes in colour (leaves in the fall), heating water, etc. Saw things changing from what they were to what they were not. Talked about the interplay of opposites: eg. A thi(cid:374)g (cid:272)a(cid:374)"t (cid:271)e what it is (cid:374)ot, therefore there is no change. A changing leaf is a substance that is characterized by its greenness: being green is not essential to the leaf, it is still a leaf even when its greenness is replaced with redness.
