Is $\varphi$ the most irrational number?
99595
Why is $\varphi$ called "the most irrational number"?
101162
Square root of $2$ is irrational
41767
Sequence of rational numbers converging to an arbitrary irrational number $\beta$.
40009
Show that $e^{\sqrt 2}$ is irrational
37915
$\sqrt{2}$ is irrational proof using well-Ordering Property
30411
The closure of the irrational numbers on $\mathbb{R}$
20315
$\sqrt[31]{12} +\sqrt[12]{31}$ is irrational
20872
Is it possible for a physical object to have an irrational length?
118374
Is there a proof that $\pi$ is an irrational number?
87410
Are there real numbers that are neither rational nor irrational?
69264
Is there an irrational number $a$ such that $a^a$ is rational?
15110
About irrational logarithms
65895
Irrationality proofs not by contradiction
147363
Is $\large \frac {\pi}{e}$ rational, irrational, or trandescendal?
53945
The square root of a prime number is irrational
13592
How can $\pi$ be irrational if it can be calculated using an infinite series of rational numbers?
98666
Continuity defined for rational and irrational numbers