[過去ﾛｸﾞ] 現代数学の系譜 工学物理雑談 古典ガロア理論も読む44 (704ﾚｽ)
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436(1): 現代数学の系譜 工学物理雑談 古典ガロア理論も読む 2017/10/14(土)23:29 ID:r5EFCImt(2/9) AAS
>>430
>無限とは魔物じゃ。

全くですな
現代数学では、無限＝魔物で、その扱いは一通りではありません（＾＾

それは、現代数学を深く学べば学ぶほど、分ってきますよ
詳細は略しますが、概略は下記でもどうぞ（＾＾

外部ﾘﾝｸ:ja.wikipedia.org 無限
省5

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437(1): 現代数学の系譜 工学物理雑談 古典ガロア理論も読む 2017/10/14(土)23:30 ID:r5EFCImt(3/9) AAS
>>436 つづき

外部ﾘﾝｸ:en.wikipedia.org Infinity
(抜粋)
Infinity (symbol: ∞) is an abstract concept describing something without any bound or larger than any number.
Philosophers have speculated about the nature of the infinite, for example Zeno of Elea, who proposed many paradoxes involving infinity, and Eudoxus of Cnidus, who used the idea of infinitely small quantities in his method of exhaustion.
Modern mathematics uses the general concept of infinity in the solution of many practical and theoretical problems, such as in calculus and set theory, and the idea also is used in physics and the other sciences.

In mathematics, "infinity" is often treated as a number (i.e., it counts or measures things: "an infinite number of terms") but it is not the same sort of number as either a natural or a real number.
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