A problem with de Vitali set in [0,1]
22558
Vitali-type set with given outer measure
54791
Is it true or false that $\lvert P([0, 1]) \setminus P((0, 1)) \rvert > \lvert P(\mathbb{N}) \rvert$
63538
Impossibility of constructing a continuum-size linearly independent set in $\Bbb R$
131992
A problem on continuous functions
14409
A problem about function N
70585
Why does Assuming[x > 0, TrueQ[x > 0]] return False?
63313
Uniqueness of Powerseries in an arbitrarily small neighborhood of $0$ in $\mathbb C$
14972
Cardinality of Vitali sets: countably or uncountably infinite?
56817
How do you get \mathbb{1} to work (characteristic function of a set)?
44430
Is there an open dense set $S \subset [0,1]$ such that $m(S)<1$?
50649
On the existence of a continuous bijection $f\colon [0,1]\to [0,1]\times [0,1]$
143586
Is $[0,1]$ a union of family of disjoint closed intervals?
86826
Almost a Vandermonde matrix
47012
When a 0-1-matrix with exactly two 1’s on each column and on each row is non-degenerated? [1]
89787
Borel-Cantelli lemma problem
12402
Showing a function on $[0,1]$ is the zero function
156034
sufficient condition for a polynomial to have roots in $[0,1]$