how many infinities are there?
37991
How many different sizes of infinity are there?
79389
Is there an intuitionist (i.e., constructive) proof of the infinitude of primes?
78576
How to write “there exists an infinite number of”?
27567
What is zero times infinity?
149853
What infinity is greater than the continuum? Show with an example
2742
Is infinity a number?
2403
Can a countable set contain uncountably many infinite subsets such that the intersection of any two such distinct subsets is finite?
33894
How many chains are there in a finite power set?
9651
Cardinality of cartesian product of an infinite set with N
63748
What does it mean that the universe is "infinite"?
41262
Does the concept of infinity have any practical applications?
25646
What is the result of $\infty - \infty$?
5313
Existence of how many sets is asserted by the axiom of choice in this case?
93330
Cardinality of all cardinalities
102202
The smallest infinity and the axiom of choice
34387
Is the number of irreducibles in any number field infinite?
79925
Infinitely many values of $x$ that satisfy the equations