Are there more real numbers than irrational numbers?
137030
Why are there more Irrationals than Rationals given the density of $Q$ in $R$?
9969
Is infinity a real number?
38674
Do complex numbers really exist?
138446
Proving that there exists an irrational number in between any given real numbers
147534
The set of irrational numbers is not a $F_{\sigma}$ set.
19676
Is it known whether ${\sqrt{2}}^{\sqrt{2}}$ is irrational?
132470
Does $\mathbb R^2$ contain more numbers than $\mathbb R^1$?
60775
Why are integers subset of reals?
7801
Can you raise a number to an irrational exponent?
156242
As many even numbers as natural numbers.
4381
Proof that the set of irrational numbers is dense in reals
99595
Why is $\varphi$ called "the most irrational number"?
59385
Are there number systems corresponding to higher cardinalities than the real numbers?
51191
Does a negative number really exist?
70262
Can the axiom of choice be used to define the real numbers?
69264
Is there an irrational number $a$ such that $a^a$ is rational?
140300
Does the interval $[0,1]$ contains more real numbers than $(0,2)$?