Bijection of complements
34138
Cardinal number subtraction
133699
Proving that there is a bijection between $A$ and $B$.
53168
Surjective, Injective, Bijective Functions from $\mathbb Z$ to itself
44689
Explicit bijection between $[0,1)$ and $(0,1)$
50649
On the existence of a continuous bijection $f\colon [0,1]\to [0,1]\times [0,1]$
21663
Bijection between power sets of sets implies bijection between sets?
57269
A special bijection between $\mathbb{R}\times \mathbb{R}$ and $\mathbb{R}$
22869
Prove $[0, 1]$ and $(0, 1]$ are equinumerous by use of bijection
73338
Prove that the closure of complement, is the complement of the interior
37565
Bijection from finite (closed) segment of real line to whole real line
19289
complement of a set and its measure
46971
Number of surjections from $\{1,...,m\}$ to $\{1,...,n\}$
32362
Detail in bijection between Inn(G) and G/Z(G)?
21707
Constructing a Bijective function via an injective and surjective one.
110569
Does anyone know a closed-form expression for a bijection between $\mathbb{N}^k$ and $\mathbb{N}$?
150790
Prove two sets have same Cardinality by writing down bijection
102299
Bijection between $\mathbb{R}^n$ and $\mathbb{R}^m$