Find a rational number that is greater than $t$ where $t^2<2$
62224
Need help with proof for Dedekind cuts on $\mathbb{Q}^+$
68456
Prove that there exists irrational numbers $x$ and $y$ such that $x + y$ is rational, without using subtraction
87994
Find rational points on $x^2 + y^2 = 3$ and on $x^2 + y^2 = 17$
6275
How can you prove that the square root of two is irrational?
20964
Proof that $n^2 < 2^n$
139505
Peano/Presburger axioms - "find" numbers lower or equal than another number
110549
Is there a commonly used rational numbers library in Java?
114442
Completion of rational numbers via Cauchy sequences
32
Is $n^{th}$ root of $2$ an irrational number?
41767
Sequence of rational numbers converging to an arbitrary irrational number $\beta$.
9966
Range of a Rational Function
99644
Finding an Upper Bound on This Inequality
31744
Proving that there is an irrational number between any two unequal rational numbers.
95702
Remarkable/unexpected rational numbers
104688
How can I prove that $x-{x^2\over2}<\ln(1+x)$
11069
Deciding whether $2^{\sqrt2}$ is irrational/transcendental
5287
Representing every positive rational number in the form of $(a^n+b^n)/(c^n+d^n)$