Question about involutions and bijections
42579
Composition of 2 involutions
90566
There exists surjections from A onto B and vice versa, and there is no bijection between the sets?
32127
Example where $f\circ g$ is bijective, but neither $f$ nor $g$ is bijective
27188
Bijection between $\mathbb{R}$ and $\mathbb{R}/\mathbb{Q}$
141166
How to show that when the linear transformation $\Phi =\psi \circ \phi : E \rightarrow G$ is injective, then $\phi$ is also injective?
146356
To prove two sets are isomorphic is it sufficient to find 2 injections or 2 surjections?
148500
Understanding this theorem and how to go about proving it surjectivity?
31244
Is this a correct bijection between $(0,1]$ and $[0,1]$?
126790
Basic Isomorphism Question
84301
Showing that some Function on the Unit Disc is injective
49833
Simple bijection $\mathbb N_0 \times \mathbb N_0 \to \mathbb N_0$
102827
When do surjections split in ZF? Two surjections imply bijection?
38257
Continuous bijection from $(0,1)$ to $[0,1]$
37565
Bijection from finite (closed) segment of real line to whole real line
157268
Proving a bijection with absolute value
32340
Continuous bijections and their inverses
93964
Proving that $f$ is a bijection from $N$x$N$ to $N$.