
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 …
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 …
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 …
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 …
Associativity of infinite matrix product. - Mathematics Stack …
A treatise on this can be found in On the associativity of infinite matrix multiplication. However, if x x and v v are infinite vectors, and A A is a semi-infinite matrix, then Does the product x⊺Au x ⊺ …
Partitioning an infinite set - Mathematics Stack Exchange
Dec 1, 2010 · Can you partition an infinite set, into an infinite number of infinite sets?
calculus - Does $1.0000000000\cdots 1$ with an infinite number …
A decimal representation of a number has digits indexed by natural numbers. Which exactly is the position of that last 1 1? Is it the first after the decimal point? The second? The third? Each …
Is there a shape with infinite area but finite perimeter?
Dec 1, 2014 · But the circumference also defines the subset with infinite area that lays "outside" (which is a conventional concept). That other "outside shape" would be an example of a finite …
Is it viable to ask in an infinite set about the Cardinality?
Dec 16, 2012 · Can you ask given an infinite set about its cardinality? Does an infinite set have a cardinality? So, for example, what would be the cardinality of $+\\infty$?
infinity - Infinite averages - Mathematics Stack Exchange
Apr 28, 2015 · 4 You need to endow your infinite set with a measure such that the whole space has measure 1 1 and then integrate (and hope that your function is measurable to begin with). …