# HPS211H1 Lecture Notes - Newtonianism, Anachronism, Theology

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5 Mar 2013
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HPS211 lec3 Jan17th
Newtonianism
1)Newton’s physics
His mathematical way
System of the world
2) Newtonianism After newton
Newton as Physicist
Newton on the ontinent
3)Newtonianism outside of Physics
1)
-Mathematical Way
His way of thought was similar to that of Descartes, also looked for a mathematical explanation just not
as bold of hypothesis. Called his way “analysis and Composition”. Do the testing and analysis, then
compare certain laws and understanding. Claims his method was “deduction from the phenomena”
compared to Descartes even though he induces.
Deduction = general > specific, truth preserving inferences, we are sure conclusion has truth
Induction = observation > general, observe many cases and make an induction, might lose truth, while
looking for the generality
Descartes always based is ideology on the fact that there needs to be contact in order for action to
happen. (screws for magnets). While Newton didn’t strive to understand and explain the phenomena.
He observed and drew rules of behavior.
“Rules of Reasoning in Philosophy” added in later editions of Principia to let others understand his
philosophy
-Metaphysical Presuppositions (all things composed of the ideology)
Commitment to determinism that all actin happen for a reason.
-Newton’s “System of the world
-first law law of inertia, preservance of motion unless there is change of state
3laws -second law F=ma, change in motion is proportional to the mass and force
-third law action = reaction, for every action there is an opposite equal reaction
(most novel law since others were already accepted, introduced static laws)
Law of Universal Gravitation
All objects exert gravitational force on all other objects, helped us understand the term mass
Kepler’s Law:
The elliptical motion of planets around the sun. He explained and proved it.
2)
-Newtonianism After Newton
His book had a lot of influence. Newtonianism seems to be the first paradigm after Aristotle. People
have studied Principia after and showed how his deduction was right in ideology and application.
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## Document Summary

System of the world: newtonianism after newton. His way of thought was similar to that of descartes, also looked for a mathematical explanation just not as bold of hypothesis. Do the testing and analysis, then compare certain laws and understanding. Claims his method was deduction from the phenomena compared to descartes even though he induces. Deduction = general > specific, truth preserving inferences, we are sure conclusion has truth. Induction = observation > general, observe many cases and make an induction, might lose truth, while looking for the generality. Descartes always based is ideology on the fact that there needs to be contact in order for action to happen. (screws for magnets). While newton didn"t strive to understand and explain the phenomena. Rules of reasoning in philosophy added in later editions of principia to let others understand his philosophy. Metaphysical presuppositions (all things composed of the ideology) Commitment to determinism that all actin happen for a reason.

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