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| | Infinity - Wikipedia, the free encyclopedia |
 | | In popular usage, infinity is usually thought of as something like "the largest possible number" or "the furthest possible distance" : hence naive questions such as "what is the next number after infinity?" or "if you travel to infinity, what happens if you then go a bit further?". |
 | | In mathematics, "infinity" is often used in contexts where it is treated as if it were a number (i.e., it counts or measures things : "an infinite number of terms") but it is clearly a very different type of "number" than the integers or reals. |
 | | Infinity is relevant to, or the subject matter of, limits, aleph numbers, classes in set theory, Dedekind-infinite sets, large cardinals, Russell's paradox, hyperreal numbers, projective geometry, extended real numbers and the absolute Infinite. |
| en.wikipedia.org /wiki/Infinite (4065 words) |
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