Mathematics
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question
156
Are there real-life relations which are symmetric and reflexive but not transitive?
Jan 1, 2013
question
16
Donald Knuth's summation notation confuses me.
May 16, 2012
question
14
Is there a closed form for the series $\sum_{k=1}^\infty \frac{\ln(4k-3)}{(4k-3)}-\frac{\ln(4k-1)}{(4k-1)}?$
Dec 8, 2012
question
12
What is $f(x)$ divided by $(x-a)$?
Jan 14, 2012
answer
12
Math and mental fatigue
Oct 21, 2012
answer
12
Calculate the sum of series $\sum\limits_{i=0}^{n-1} i2^i$
Dec 4, 2012
answer
11
Cyclic sums -- How do you use them?
Jan 17, 2013
question
10
What is the coefficient of the $x^3$ term in the expansion of $(x^2+x-5)^7$ (See details)?
Sep 22, 2012
answer
9
How to simplify polynomials
Dec 5, 2012
answer
9
How does mathematical coefficients differ from "physical coefficients"?
Jan 14, 2012
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What is the purpose of Plato's concept of Form?

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