Proving closed interval [0,1] has same cardinality as Real Numbers
45216
Cardinality of $[0,1]$
28683
Sum of two closed sets in $\mathbb R$ is closed?
114043
Prove the existence of a real number satisfying a property
14048
Proof that the complement of zero-measure set on $[0,1]$ is dense in $[0,1]$
15438
do all uncountable sets have same cardinality as real numbers?
124100
Write the closed interval $[a,b]$ as the union of semi-intervals.
33014
Bijection between an open and a closed interval
23442
Cardinality of the union of infinite and countable sets
78941
proof that an alternative definition of limit is equivalent to the usual one
138202
Every open set in $\mathbb{R}$ is a countable union of closed sets
69283
The limit points of an open interval (open set)
27478
Proof that two basis of a vector space have the same cardinality in the infinite-dimensional case
141227
How to show the integers have same cardinality as the natural numbers?
93330
Cardinality of all cardinalities
2269
Proof that the real numbers are countable: Help with why this is wrong
9696
The interval [0,1] andd [3,5] are equivalent. Is my proof correct?
55729
Family of Closed/Open Nested Intervals