2,482 reputation
314
bio website
location
age
visits member for 2 years, 3 months
seen Dec 10 at 18:04

Jan
17
answered If $X$ and $Y$ are objects of $\mathrm{Set}$, is there any reason not to regard $\mathrm{Hom}(X,Y)$ as an object, too?
Jul
28
answered Help to prove bijection between subset of $S^2$ and $\mathbb{R}^2$
Jul
27
answered Find equation that represents $m$ as the subject
Jul
27
answered What character can replace word “let” in proofs?
Jul
23
answered Is this infinite series a Fourier series?
Jul
22
answered How many 32-bit strings have fewer 1s than 0s?
Jul
18
answered Finding modulus of two numbers
Jul
18
answered Definition of a nilpotent group.
Jul
17
answered The product of finitely many cyclic groups is cyclic
Jul
16
answered Proof that for any interval (a,b) with a<b in the real numbers contains both rational and irrational numbers?
Jul
15
answered Determine whether the function is a linear transformation:
Jul
15
answered Show that every finite group of order $n$ is isomorphic to a group consisting of $n\times n$ permutation matrices.
Jul
15
answered What's the difference between $\mathbb{R}^2$ and the complex plane?
Jul
14
answered Numbers that cannot be expressed as fractions
Jul
12
answered What is the mathematical term that can differentiate two same vectors?
Jul
11
answered Cosets of D4, Cycle Notation
Jul
10
answered Opposite category
Jul
10
answered Is $\{\sin x,\cos x\}$ independent?
Jul
9
answered Why do we multiply in tree diagrams?
Jul
6
answered What are modules in $\operatorname{add} T$ explicitly?