...The general term for the theory (1908) proposed by B.A. W. Russell in an attempt to solve the so-called "Russell's Paradox" discovered in 1901, as well as its simplification, removal of restrictions, and transformation. Also called the hierarchy theory. Roughly speaking, it is a theory that reconstructs the language of logic and mathematics based on the idea that terms that appear in a language generally have a hierarchical organization, and that terms belonging to a certain hierarchy can only belong to terms of a higher hierarchy, so that paradoxes do not occur in the language. *Some of the terminology that refers to "floor theory" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…B.A.W.ラッセルが1901年に発見したいわゆる〈ラッセルのパラドックス〉を解決しようとして提出した理論(1908)と,その単純化,制限の解除,および変形の総称。階型理論ともいう。大ざっぱにいえば,ある言語に登場する名辞は一般に階層組織を持ち,ある階層に属する名辞にはそれよりも高い階層の名辞しか帰属しないという思想にもとづいて論理学と数学の言語を再構成し,その言語中ではパラドックスが生じないようにする理論である。… ※「階型理論」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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