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11h
reviewed Reviewed Is university math all about proofs?
11h
reviewed No Action Needed How can the elements $a_1, a_2, a_3\ldots, a_n$ be distinct in Theorem 2.13 of Rudin?
15h
reviewed Approve Are there differences between the International and U.S. Editions of Dummit and Foote?
May
21
reviewed Reject and Edit How to formulate constraints given the following information
May
21
revised How to formulate constraints given the following information
deleted 1 character in body
May
19
reviewed Looks OK find interval of convergence for power series of the following function
May
15
reviewed Approve Maximum of two independent uniform random variables
May
10
reviewed Edit Period of $f(2x+3)+f(2x+7)=2$
May
10
revised Period of $f(2x+3)+f(2x+7)=2$
Latex Edit
May
3
revised Let $x_1 \ge 2, x_{n+1}=1+\sqrt{x_n-1}$. Find the limit, if it is convergent.
added 233 characters in body
May
3
reviewed Approve Logical Equivalence: $\exists x((P(x) \land \lnot Q(x))\Leftrightarrow R(x)) \iff (\forall xP(x)\Rightarrow \exists y(Q(y) \lor R(y)))$
May
3
answered Let $x_1 \ge 2, x_{n+1}=1+\sqrt{x_n-1}$. Find the limit, if it is convergent.
May
2
comment For which values of $N$ is $x^N \ge \ln x$ for all $0 < x < \infty$?
@dragon, because, $\ln x=\dfrac {1}{n}$
May
1
revised An integer $a \pmod m$ has inverse if and only if $\gcd(a,m)=1$?
deleted 2 characters in body
May
1
reviewed Looks OK Cute convergence problem. Proving convergence of sequence regarding reciprocals of least common multiple converges.
May
1
revised Use of de Moivre's Theorem and Euler's formula to solve an expression
added 5 characters in body
May
1
reviewed Looks OK Exsitence of a continous function from an interval to the irrationals.
May
1
reviewed Looks OK Exsitence of a continous function from an interval to the irrationals.
May
1
reviewed Close Mordell Equation $y^2 = x^3 - 20$.
May
1
comment Mordell Equation $y^2 = x^3 - 20$.
possible duplicate of Solutions to the Mordell Equation modulo $p$