Reputation
45,218
Next tag badge:
373/400 score
110/80 answers
Badges
4 59 130
Newest
 terminology
Impact
~576k people reached

1d
revised In $\Bbb Z[\sqrt{2}]=\{a+b\sqrt{2}\rvert a,b∈\Bbb Z\}$, show that every element of the form $(3+2\sqrt{2})^n$ is a unit, where n is a positive integer
added 2 characters in body
Apr
10
revised Prove that $\det(AA^T+I)\ge 1$
edited body
Mar
28
revised Gromov compactness theorem
deleted 1 character in body
Mar
26
revised Discrete Mathematics- Counting Bit Strings
edited tags
Mar
26
revised non-cartesian set product?
added 56 characters in body
Mar
15
revised Discrete Mathematics: Relations
deleted 2 characters in body
Mar
11
revised If $X^TX=0$ show that $X=0$
edited body
Feb
7
revised Generalization of a certain riddle and ultrafilters (?)
added 1 character in body
Feb
4
revised Are all metric spaces topological spaces?
deleted 1 character in body
Feb
2
revised Prove that for any integer, $n^2 + 5$ is not divisible by $4$.
added 30 characters in body
Feb
2
revised Prove that for any integer, $n^2 + 5$ is not divisible by $4$.
added 2 characters in body; edited tags; edited title
Jan
31
revised Bachmann's construction of the real numbers
deleted 96 characters in body; edited title
Jan
27
revised Can Aleph Numbers be multiplied?
edited body
Jan
16
revised Something Being True in the Limit as Something Else Goes to Zero
deleted 1 character in body
Jan
10
revised Connectedness and Continuity
added 8 characters in body
Jan
4
revised does closed under sequence limits imply the set is closed?
added 13 characters in body; edited title
Dec
27
revised Do we really need reals?
added 7 characters in body
Dec
24
revised To show that $f (x) = | \cos x | + |\sin x |$ is not one one and onto and not differentiable
edited body
Dec
23
revised $infA\leq SupA$
deleted 2 characters in body
Dec
22
revised Are all metric spaces topological spaces?
added 234 characters in body