Bijections as the composition of 2 involutions
42579
Composition of 2 involutions
30021
Bijection between set of all binary sequences and power set of $\mathbb N$.
124003
Composition of adjoint functors
39231
Construct a bijection between $\mathbb{Z}^+\times \mathbb{Z}^+$ and $\mathbb{Z}^+$
106550
The bijection between homogeneous prime ideals of $S_f$ and prime ideals of $(S_f)_0$
130381
bijection from $(a,b)$ to $\Bbb R$
22869
Prove $[0, 1]$ and $(0, 1]$ are equinumerous by use of bijection
152438
Is the composition of two injective functions injective?
96202
Prove composition of bijections is bijection
27188
Bijection between $\mathbb{R}$ and $\mathbb{R}/\mathbb{Q}$
40566
Counting surjective functions
42941
Pair of adjoint functors and showing that two certain maps are inverses
133699
Proving that there is a bijection between $A$ and $B$.
61993
Why is $V^{\vee}\otimes W^{\vee}\longrightarrow (V\otimes W)^{\vee}$ always injective?
109710
Bijection between $\mathbb N \times \mathbb N$ and $\mathbb N$
37951
proof detail concerning bijection between a set and its power set
141114
Question about a bijection between $\mathbb R$ and $\mathbb R \cup \{\infty\}$