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        | Who stated that the Earth is at the center of the universe? |  | Definition 
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        | Who was the first to state that the sun is at the center of the universe? |  | Definition 
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        | What is the name of the universe that Ptolemy believed in? |  | Definition 
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        | What is the name of the universe that Copernicus believed in? |  | Definition 
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        | Who built the first astronomical observatory? |  | Definition 
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        | Who invented the telescope? |  | Definition 
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        | Who was put on trial for his beliefs about the universe? |  | Definition 
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        | Who developed the theory of gravity? |  | Definition 
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        | Who developed the laws of motion? |  | Definition 
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        | How many laws of motion are there? |  | Definition 
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        | Who believed in the social contract? |  | Definition 
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        | Who said "I think, therefore I am?" |  | Definition 
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        | Who believed in natural rights? |  | Definition 
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        | What are the four natural rights? |  | Definition 
 
        | live, liberty, property, and pursuit of happiness |  | 
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        | Who believed in separation of powers? |  | Definition 
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        | Who believed in freedom of speech? |  | Definition 
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        | Who wrote the first set of encyclopedias? |  | Definition 
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        | Who developed the theory of lassiez faire economics? |  | Definition 
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        | Who focused on reforms in government and society? |  | Definition 
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        | Who focused on reforms in the economy? |  | Definition 
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        | Where was Copernicus from? |  | Definition 
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        | Where was Descartes from? |  | Definition 
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        | Where was Montesquieu from? |  | Definition 
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