Give a Bijection that is in-between 2 intervals and use a formal proof to show that it is a bijection.
6788
Let $(a,b)$ and $(c,d)$ be intervals in $\Bbb R$, and find an injective and surjective function from $(a,b)$ to $(c,d)$
124374
A bijective function between a square and its side
24107
Bijection $f:\mathcal{P}(A)\to(A\to \{0,1\})$
39231
Construct a bijection between $\mathbb{Z}^+\times \mathbb{Z}^+$ and $\mathbb{Z}^+$
124333
A bijection between $\mathbb{N}$ and $\mathbb{P}(\mathbb{N})$?
141114
Question about a bijection between $\mathbb R$ and $\mathbb R \cup \{\infty\}$
64140
Find a bijection from $\mathbb R$ to $\mathbb R-\mathbb N$
154832
Show that there is always a proposition between two propositions logic
82003
Bijection between sets of ideals
93776
Bijective mapping between $\mathbb{R}^2$ and $\mathbb{R}$?
145759
formal proof from calulus
155545
Showing that $a \mid b$ and $b \mid a$ if and only if $a= \pm b$.
14277
Proving $f(x)=x\cdot |x|$ is a bijection
88982
Prove that for any two sets $A$ and $B$, $A\notin B$ or $B\notin A$
38286
Proving the Cantor Pairing Function Bijective
10307
Show the inverse of a bijective function is bijective
27188
Bijection between $\mathbb{R}$ and $\mathbb{R}/\mathbb{Q}$