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# Rene Descartes

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## Annika Agarwal

on 9 June 2015

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#### Transcript of Rene Descartes

Rene Descartes
Agarwal, Hartman, Mehta
Objective: LWDAT understand the discoveries and impact of Rene Descartes
Do Now: Use the sources provided to answer the questions.
Who was he?
Math
Rene Descartes introduced coordinate geometry:
How to find the slope of a line:

1) Formula: 2) Pick 2 ordered pairs: (2, -1); (1, -2)
y2 - y1 / x2 - x1 2 = x1; 1 = x2; -1 = y1, -2 = y2

3) Now Substitute 4) Slope: 1
(-2) - (-1) / (1) - (2) = -1/ -1
Legacy
introduced many equations and new concepts to math that we still learn today
wrote books
came up with many philosophies that are used today or were the basis of many major discoveries in science, philosophy, or math
Debate Time!
Now that you all have learned about all the different enlightenment thinkers, let's create a scenario where these thinkers came together and debated their ideas.
father of ¨modern philosophy¨ French scientist, philosopher, mathematician
developed new ideas about knowledge and certainty of other ideas
introduced new views regarding how the mind and body are related
1596-1650
moved to Netherlands
wanted leisure and solitude
Descartes believed the Dutch had tolerance so he can be an original thinker in Netherlands
France was intolerant due to their strong beliefs in religion
Therefore, in the Netherlands he believed he could be an enlightened thinker
Living in the Netherlands
At a young age, Rene's brother and mother passed away
His family was mostly known as doctors and lawyers
believed to be a sickly and fragile child
received a broad liberal arts education that included verbal and mathematical arts from La Fleche
Accomplishments
Early Life
wrote various books about optics
examined rainbows
devised the principle of inertia
thought of the universe and human body as a giant machine
Any volunteers?
Prewrite your ideas on the handout that has been given to you. When you are ready, come to the front of the class and form a circle.
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