Non empty Perfect set with only irrational numbers
12701
Perfect set without rationals
100319
Functional equation with strange property about irrational numbers
9146
Proving that a list of perfect square numbers is complete
4213
The set that only contains itself
3208
There is no smallest rational number greater than 2
32
Is $n^{th}$ root of $2$ an irrational number?
35206
Minkowski Dimension of Special Cantor Set
70196
Is there any well-ordered uncountable set of real numbers under the original ordering?
10008
Proof that the nth root of a rational s/t is irrational unless s and t are perfect nth powers
35837
How to prove that any (integer)$^{1/n}$ that isn't an integer, is irrational?
118374
Is there a proof that $\pi$ is an irrational number?
95947
Cantor set + Cantor set =$[0,2]$
77129
Density of irrationals
18360
Proof that the irrational numbers are uncountable
30105
Multiples of an irrational number forming a dense subset
50555
Approximation of real number to the power of irrational
126015
Elementary number theory in sets