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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-big infinity, for

  2. probability - Given an infinite number of monkeys and an infinite ...

    Jan 12, 2011 · Just get an infinite number of monkeys (or a slightly smaller number of computers) and opening a publishing business. Make a million bucks and retire. But this rings false, especially since …

  3. how to prove uncountable infinite pigeonhole principle?

    Nov 15, 2024 · 1 Can it be proven using the pigeonhole principle that if set A is an uncountable family of finite sets, it contains an uncountable subfamily all of whose elements have cardinality n? The idea is …

  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 infinity as a …

  5. real analysis - Why set of natural numbers is infinite, while each ...

    In his book Analysis Vol. 1, author Terence Tao argues that while each natural number is finite, the set of natural numbers is infinite (though has not defined what infinite means yet). Using Peano...

  6. abstract algebra - Examples of infinite groups such that all their ...

    Nov 28, 2018 · I am in need of examples of infinite groups such that all their respective elements are of finite order.

  7. Circle whose radius is infinite - Mathematics Stack Exchange

    Jan 1, 2019 · I have the intuition that a circle whose radius is infinite is a straight line. Nonetheless, I don’t feel that what I’ve just stated is really scientific as it has some vagueness and lacks precisi...

  8. Can a countable set contain uncountably many infinite subsets such …

    Dec 15, 2025 · Can a countable set contain uncountably many infinite subsets such that the intersection of any two such distinct subsets is finite?

  9. How was Zeno's paradox solved using the limits of infinite series?

    You could just as easily argue that the sum of the distance is infinite so the distance will be infinitely far away. Both statements are paradoxes. But the concept of the limit of an infinite series being finite …

  10. Tossing a coin infinite times - Mathematics Stack Exchange

    Sep 15, 2021 · Many sources tell me, if a coin is tossed infinite times, I would get equal heads and tails. However, when it is tossed a finite number of times, I see that the probability of getting a equal …