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Answer: Infinity isn't exactly anything. When one speaks of infinity, they are referring to an ultimate, i.e. infinitely large is the largest, infinitely small is the smallest, continuing to infinity is never ending, etc. There is no real way to conceptualize infinity since by the mere fact that by thinking of something as being, say, infinitely big, I can immediately think of something bigger by adding one to it, therefore that initial thing wasn't infinitely big to begin with.

The way I conceptualize infinity is in the following way. If there is a finite probability that an event can happen, say the classic monkey writing Shakespeare thought experiment, then given an infinite amount of time, that event will happen, not might happen, but will happen. If that monkey has a 1 in 1010000000000000 chance of replicating Shakespeare, then not only will that monkey do it if you give it an infinite amount of time, it will do it an infinite number of times.

Answer: Since you put the question in math (or accepted the suggested category): In Math, infinity has different meanings in different context.

In set theory, it means, informally, that if you count the elements of a set, you will never reach an end. Formally, infinity can be defined in different ways; for example, an infinite set is one that can be put into a one-to-one correspondence with one of its proper subsets. (It has proper subsets that are "just as big" as the entire set.)

In calculus, it means that an amount has a tendency to go beyond any fixed limit. You might also use the word "unbounded" in this context.

All in all, infinity is not a number. It's a term meaning 'going on and on'.

Q: What exactly is infinity?

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13

It is infinity which can't be exactly determined.

Exactly what words you may wish to use in combination with the word infinity, will depend upon what you are trying to say. It would be grammatically acceptable to say something such as "I believe in infinity" although the meaning would be somewhat ambiguous. In most contexts, you would be more likely to use the word to, rather than in. For example, this series of numbers adds up to infinity.

1 one infinity divided by infinity

If the question meant infinity, the answer is none. Infinity is not a number.If the question meant infinity, the answer is none. Infinity is not a number.If the question meant infinity, the answer is none. Infinity is not a number.If the question meant infinity, the answer is none. Infinity is not a number.

Related questions

3.14159265 ............ then possibly to infinity It's never been worked out exactly.

It looks exactly like ultimate drago but has the infinity core on its chest and has 1000 g's.

Not exactly. Infinity means that the number goes on forever so you really can't add one to it.

13

It is infinity which can't be exactly determined.

The number 1.666666666 is almost exactly equal to one and two thirds (to be exactly equal, the decimal expansion continues to infinity) which as a fraction could be written as 5/3.

infinity

Exactly what words you may wish to use in combination with the word infinity, will depend upon what you are trying to say. It would be grammatically acceptable to say something such as "I believe in infinity" although the meaning would be somewhat ambiguous. In most contexts, you would be more likely to use the word to, rather than in. For example, this series of numbers adds up to infinity.

1 one infinity divided by infinity

Infinity.

Negative infinity plus negative infinity equals negative infinity.

No, infinity is not measurable, so infinity plus infinity is just the same as infinity.