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  1. What is infinity divided by infinity? - Mathematics Stack Exchange

    Aug 11, 2012 · I know that $\\infty/\\infty$ is not generally defined. However, if we have 2 equal infinities divided by each other, would it be 1? if we have an infinity divided by another half-as …

  2. 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 …

  3. How can Cyclic groups be infinite - Mathematics Stack Exchange

    Oct 4, 2020 · I am a little confused about how a cyclic group can be infinite. To provide an example, look at $\\langle 1\\rangle$ under the binary operation of addition. You can never …

  4. I have learned that 1/0 is infinity, why isn't it minus infinity?

    An infinite number? Kind of, because I can keep going around infinitely. However, I never actually give away that sweet. This is why people say that 1 / 0 "tends to" infinity - we can't really use …

  5. calculus - Infinite Geometric Series Formula Derivation

    Infinite Geometric Series Formula Derivation Ask Question Asked 12 years, 5 months ago Modified 4 years, 8 months ago

  6. Partitioning an infinite set - Mathematics Stack Exchange

    Dec 1, 2010 · Can you partition an infinite set, into an infinite number of infinite sets?

  7. De Morgan's law on infinite unions and intersections

    De Morgan's law on infinite unions and intersections Ask Question Asked 14 years, 5 months ago Modified 4 years, 9 months ago

  8. When does it make sense to say that something is almost infinite?

    4 If "almost infinite" makes any sense in any context, it must mean "so large that the difference to infinity doesn't matter." One example where this could be meaningful is if you have parallel …

  9. Proving infinite order. - Mathematics Stack Exchange

    Dec 27, 2014 · You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation …

  10. infinite subset of an finite set? - Mathematics Stack Exchange

    Is it possible to have a set of infinite cardinality as a subset of a set with a finite cardinality? It sounds counter-intuitive, but there are things in math that just are so. Can one definitely p...