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asked Why the Ramsey number $R(2,4)$ is not equal to $2$?
Aug
25
asked Is it possible to find the criminal with graph-theoretic methods?
Aug
24
asked $\forall a[P(a)\implies Q(a)]\wedge \forall a[Q(a)\implies P(a)]\stackrel{?}{\equiv} \forall a[[P(a)\implies Q(a)]\wedge [Q(a)\implies P(a)]]$
Aug
21
asked $1+2+3=\int_{0}^{\infty}t^3e^{-t} dt$?
Aug
18
asked On the inner workings of induction?
Aug
16
asked Why don't we start studying calculus via series instead of the calculus on finite expressions?
Aug
15
asked Why to include the $C$ in the formula for the distance in hyperbolic geometry?
Aug
14
asked If $A$ and $B$ are arbitrary $m\times n$ matrices, show that $^t(A+B)= {}^tA+{}^tB$?
Aug
9
answered A combinatorial identity No. 2
Aug
9
answered Bridge between High School Mathematics and University-level Mathematics?
Aug
3
asked What is switching rows useful for?
Aug
2
answered How do I express logical connectives with Nand?
Jul
31
asked Why $\lim_{\Delta x\to 0} \cfrac{\int_{x}^{x+\Delta x}f(u) du}{\Delta x}=\cfrac{f(x)\Delta x}{\Delta x}$?
Jul
28
asked What's the meaning of the $R(f(x),g(x))$ in $\int R(f(x),g(x))?$
Jul
27
asked What would be interesting maps to use on that Eudoxus reals?
Jul
21
asked Minor mistake computing $\int \frac{1}{x^3+2x^2-3x} \; dx$?
Jul
18
asked Does this suggest a unique additive factorization on the rational numbers?
Jul
16
asked Why $\frac{1}{9}$ becomes $\frac{1}{3}$ in $\frac{1}{3} \int \frac{1}{s^2+1} \, ds$?
Jul
13
answered Statistics books with motivation and historical tidbits about the development of the concepts?
Jul
13
asked Statistics books with motivation and historical tidbits about the development of the concepts?