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Jack M

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124
Why is the construction of the real numbers important?
math.stackexchange.com

98
Best way to express 2014
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65
Logic behind dividing negative numbers
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41
Shall remainder always be positive?
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40
How to teach mathematical induction?
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34
Can't argue with success? Looking for “bad math” that “gets away with it”
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29
A fascinating number chain.
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26
If the number $x$ is algebraic, then $x^2$ is also algebraic
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26
The monorail explodes before I can get on it
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25
Is there any way to define arithmetical multiplication as other thing than repeated addition?
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23
Is collapsing considered a legitimate proof?
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22
My dilemma about $0^0$
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21
How can Zeno's dichotomy paradox be disproved using mathematics?
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17
Where are the values of the sine function coming from?
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17
Are these subsets of the powerset P(N) countable?
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16
Physics Paradox about Newtons Second Law $F=ma$
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16
Did Gauss find the formula for $1+2+3+\ldots+(n-2)+(n-1)+n$ in elementary school?
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15
Prove the roots of a complex polynomial are imaginary
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15
Were there any overweight people in the Matrix?
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15
Are all transcendental numbers a zero of a power series?
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15
Is a polynomial equation of degree $\ge 5$ not solvable by any way?
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15
What is the motivation for analytic solutions in Mathematical Physics?
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14
Cauchy's undead theory
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13
How can we think and/or write rigorously about integration by substitution?
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13
Is it legitimate to specify a statement as a Theorem if it is proved using numerical methods (since it can't be proved analytically)?
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12
does the series converge? $\sum_{n=1}^\infty\left(\frac {3}{5^n}+\frac 2n\right) $
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12
Why is negative times negative = positive?
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11
Is there a name for $\frac{n!}{m!}$?
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11
Is there a *simple* example of how the axiom of choice can lead to a counterintuitive result?
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11
Graph Theory proving planarity
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