Are there different types of infinity?
27290
What Does it Really Mean to Have Different Kinds of Infinities?
72007
What do finite, infinite, countable, not countable, countably infinite mean?
140006
Are there infinitely many primes and non primes of the form $10^n+1$?
81705
Does "Going Infinite" necessarily end the game?
63748
What does it mean that the universe is "infinite"?
78407
Are there infinitely-many numbers that are both square and triangular?
101900
The analytic function at infinity
124997
finding examples for a non negative and continuous function for which the infinite integral is finite but the limit at infinity doesn't exist
63390
Infinite algebraic extensions of $\mathbb{Q}$
127200
Are there fields and ordered fields of every infinite cardinality?
79419
Is $\sin \infty$ an indeterminate form?
17963
I have learned that 1/0 is infinity, why isn't it minus infinity?
157728
When can you interchange composition of a limit?
137564
What exactly is meant by infinity?
147199
What kind of "mathematical object" are limits?
27567
What is zero times infinity?
112910
Is the set of real numbers really uncountably infinite?