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December 6th, 2017, 07:16 PM   #1
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A riddle

I wrote 868 books and articles. I was blind. I work on useful math and pure math. Who am I?
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December 6th, 2017, 07:41 PM   #2
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Leonhard Euler
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December 6th, 2017, 07:42 PM   #3
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Yes.

Yes.
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December 6th, 2017, 07:48 PM   #4
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riddle number 2 on Euler

Who is the person that argument with Euler about the existence of god?
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December 7th, 2017, 03:25 AM   #5
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Allegedly, Denis Diderot.
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December 7th, 2017, 03:28 AM   #6
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riddle number 3 on Euler

Right!
Who said "Read Euler, read Euler, he is our master in everything"?
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December 7th, 2017, 08:58 AM   #7
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It was written (in French) by Pierre-Simon Laplace.
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December 7th, 2017, 09:29 AM   #8
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riddle number 4 on Euler

Right!
What Euler enquire and understand from it that there are differential equations that to solve them you should use trigonometric function?

Last edited by skipjack; December 7th, 2017 at 11:49 AM.
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December 7th, 2017, 11:49 AM   #9
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I don't understand that question.
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December 8th, 2017, 04:34 AM   #10
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hint

Hint: connected to music...
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