HPS100H1 Lecture Notes - Geocentric Model, Natural Philosophy, Platonic Solid
20 Feb 2013
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Region below moon everything made of 4 elemets. Heavy elements is center of universe so descend. For light elements opp to periphery of terrestrial region. Fire to ascend bc lighter reason goes up. Boil water vapor ascends not air you breath only air you breath not water all liquids. Home in center bc made of earth and water. Compound of those two things no other place for things to be. As long accept hose physics need to accept this. Earth a little heavier then water why drop stone in water it goes through. Can have scale same property why did like he did is bc elements are essentially different. Not heaviness zero undecided have go up or down no middle. Air and fire are hot and earth water are cold air whole life in greece. Water cold to hot get transformation of elements. Fire wood earth and water probably goes down those two maybe some from other two.
