Why isn't the set of real numbers countable?
2269
Proof that the real numbers are countable: Help with why this is wrong
146560
Is there any uncountably infinite set that does not generate the reals?
23164
Why are irrational numbers uncountable and rationals countable?
147136
Subset of a countable set is itself countable
152547
Is the sum of all natural numbers countable?
100333
Show A is countable infinity
43268
How to prove that the set of rational numbers are countable?
9021
An infinite subset of a countable set is countable
4946
Non-existence of irrational numbers?
71922
Prove Uncountable set minus a countable set is uncountable
60775
Why are integers subset of reals?
116135
A paradox related to computable reals?
68430
Proving the countability of algebraic numbers
32774
Finite Cartesian Product of Countable sets is countable?
5022
Can a set containing $0$ be purely imaginary?
76918
Construct a compact set of real numbers whose limit points form a countable set.
148507
Why an open set in $R^n$ might not be written as countable union of disjoint open intervals?