prove inequlity about cardinality power sets
54791
Is it true or false that $\lvert P([0, 1]) \setminus P((0, 1)) \rvert > \lvert P(\mathbb{N}) \rvert$
23442
Cardinality of the union of infinite and countable sets
9651
Cardinality of cartesian product of an infinite set with N
93330
Cardinality of all cardinalities
83518
Proving Two sets have same cardinality
19924
Uncountable ordinals without power set axiom
144787
Show that the set of all infinite subsets of $\mathbb{N}$ has cardinality greater than $\mathbb{N}$
1409
Proving that the given set has at most $2^{n-1}$ elements
125707
A simple proof (hopefully) for $2^x \neq 0$
35043
Cardinality of a set A is strictly less than the cardinality of the power set of A
98518
Cardinality of equivalence relations on N
32441
How to prove or disprove statements about sets
9158
Proving that a propositional theory of any cardinality has an independent set of axioms
86421
Proof of the definition of cardinal exponentiation
15733
Show that the cardinality of $\mathbb N$ is the same as the cardinality of $\mathbb N \times \mathbb N$
113083
How to prove a set equality?
82947
Undecidable cardinality