1-1, onto from [0,1] to (0,1]
10458
How to define a bijection between $(0,1)$ and $(0,1]$?
122916
Does $[0.9999....]=1$?
100465
Does there exist a continuous bijection from $(-1,1) \to (-1,1]$?
12402
Showing a function on $[0,1]$ is the zero function
77864
Find $P(12)$ when $P(x)={1\over(x+1)}$, for $x=0,1,2,......11$
64140
Find a bijection from $\mathbb R$ to $\mathbb R-\mathbb N$
153072
Guessing a subset of $\{1,...,N\}$
97890
$\{1,1\}=\{1\}$, origin of this convention
64454
$L^2([0,1])$ is a set of first category in $L^1([0,1])$?
133695
Induction, 0'1 and 1's sequence fun question
136848
Find the number of nonzero elements
158842
What is wrong with this bijection from all naturals to reals between 0 and 1?
100565
Property of sup of a set of numbers
79040
Graph of $|x| + |y| = 1$
3276
Function $f:[0,1] \to [0,1]$ taking on each value in $[0,1]$ exactly twice
49406
Moving from A(x,y) to B(x1,y1) with constant speed?
30860
Prove that $f(x)=0$ in $[-1,1]$.