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54/20 answers
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Jan
29
revised Single reference to classical results in analysis.
added 267 characters in body
Jan
29
revised how to prove $(-1)\cdot(-1)=1$ based only on the field axioms?
I simplified the demonstration.
Jan
29
revised Single reference to classical results in analysis.
added 63 characters in body
Jan
29
revised Single reference to classical results in analysis.
eliminating small misconceptions and improving the question.
Jan
27
revised Dual program is wrong. Authors claim is right.
added 337 characters in body; edited tags
Jan
27
revised Single reference to classical results in analysis.
edited body
Jan
27
revised Single reference to classical results in analysis.
edited body
Jan
27
revised Single reference to classical results in analysis.
added 20 characters in body
Jan
25
revised Uniform continuity with respect to parameter.
added 39 characters in body
Jan
25
revised Properties of sup and lim inf.
Added more explicit upper bounds for the sequence $a_n$ and comments more enlightening.
Jan
22
revised Proving $proj_{proj_{\vec u} \vec v} \vec v=proj_{\vec u} \vec v$
added 143 characters in body
Dec
28
revised Prove that $5^n + 2\cdot3^{n-1} + 1$ is multiple of $8$
added 83 characters in body; edited tags
Dec
15
revised Tentative proof of Poincaré-Miranda theorem?
Correcting a small mistake of notation.
Dec
15
revised Tentative proof of Poincaré-Miranda theorem?
Minor errors.
Nov
19
revised Exists $y \in K$ such that $\|y-x_0\|=\inf\{\|x-x_0\| :x \in K\}$ for disjoint closed sets $K$ and the set of $\{x_0:\|x_0\|≥b\}$
added 3 characters in body; edited title
Nov
19
revised Exists $y \in K$ such that $\|y-x_0\|=\inf\{\|x-x_0\| :x \in K\}$ for disjoint closed sets $K$ and the set of $\{x_0:\|x_0\|≥b\}$
added 3 characters in body; edited title
Nov
2
revised Extended version of Mean-Value Theorem, lower bound result and reference request.
added 126 characters in body
Nov
2
revised Extended version of Mean-Value Theorem, lower bound result and reference request.
added 18 characters in body
Oct
31
revised If $\lim_{x\to0} f(x)+g(x)$ and $\lim_{x\to0} f(x)g(x)$ exist simultaneously, are there any $f(x)$ and $g(x)$ that do not have limit
added 164 characters in body
Oct
31
revised If $\lim_{x\to0} f(x)+g(x)$ and $\lim_{x\to0} f(x)g(x)$ exist simultaneously, are there any $f(x)$ and $g(x)$ that do not have limit
improved formatting