
- Uncountable vs Countable Infinity - Mathematics Stack Exchange- Nov 5, 2015 · My friend and I were discussing infinity and stuff about it and ran into some disagreements regarding countable and uncountable infinity. As far as I understand, the list of … 
- Finding a basis of an infinite-dimensional vector space?- For many infinite-dimensional vector spaces of interest we don't care about describing a basis anyway; they often come with a topology and we can therefore get a lot out of studying dense … 
- Does infinite equal infinite? - Mathematics Stack Exchange- All three integrals are divergent and infinite and have the regularized value zero, but two of them are equal but not equal to the third one. In other cases of divergent integrals or series, the … 
- general topology - Why is the infinite sphere contractible ...- Why is the infinite sphere contractible? I know a proof from Hatcher p. 88, but I don't understand how this is possible. I really understand the statement and the proof, but in my imagination this... 
- elementary set theory - What is the definition for an infinite set ...- Dec 3, 2020 · However, while Dedekind-infinite implies your notion even without the Axiom of Choice, your definition does not imply Dedekind-infinite if we do not have the Axiom of Choice … 
- elementary set theory - What do finite, infinite, countable, not ...- What do finite, infinite, countable, not countable, countably infinite mean? [duplicate] Ask Question Asked 13 years, 2 months ago Modified 13 years, 2 months ago 
- One divided by Infinity? - Mathematics Stack Exchange- Infinite decimals are introduced very loosely in secondary education and the subtleties are not always fully grasped until arriving at university. By the way, there is a group of very strict … 
- linear algebra - What, exactly, does it take to make an infinite ...- Oct 31, 2017 · Hence a vector space is infinite dimensional iff it has a basis which is infinite. If your infinite dimensional space has an inner product and is complete with respect to the … 
- Questions about the Infinite Monkey Theorem - Mathematics …- Nov 15, 2023 · (Context: the Infinite Monkey Theorem stipulates that given infinite time, a monkey can type out the complete works of Shakespeare, or any other text of finite length, just by … 
- calculus - Infinite Geometric Series Formula Derivation- Infinite Geometric Series Formula Derivation Ask Question Asked 12 years, 6 months ago Modified 4 years, 8 months ago