Is the irrationality measure function surjective?
48975
Transcendental numbers and irrationality measure
30796
Is the set of irrationals separable as a subspace of the real line?
21707
Constructing a Bijective function via an injective and surjective one.
83825
$f^{-1}([-\infty,r))$ measurable for all rational numbers $r$
120906
Is there a proof that $\pi \times e$ is irrational?
110885
Does there exists a continuous surjection from $\mathbb{R}$ to $\mathbb{R}^2$?
45792
Rigorous proof that surjectivity implies injectivity for finite sets
102075
A function continuous on all irrational points
56464
Proving the irrationality of $e^n$
20199
Find a surjective function $f:\mathbb{N}\to \mathbb{Q}$
20872
Is it possible for a physical object to have an irrational length?
134104
Is there a Cantor-Schroder-Bernstein statement about surjective maps?
147534
The set of irrational numbers is not a $F_{\sigma}$ set.
100973
Check if this proof about real numbers with an irrational product is correct.
116732
Proving that a continuous map is surjective
100319
Functional equation with strange property about irrational numbers
38286
Proving the Cantor Pairing Function Bijective