…Words (linguistic signs) are the “signals of signals” that replace the signals of conditioned reflex stimuli, and these “signals of signals” can indicate and evoke ideas about things or events even when they are not present. Realized signs can be classified into three types based on their formal characteristics: icons (icons - images of an object, etc.), indexes (indexical signs - when an arrow indicates an object), and symbols (symbolic signs - convention signs, the most representative of which are natural languages) (CS Peirce). According to Morris, semiotics, which examines such signs, is semantics (the relationship between a sign and the object it indicates.… *Some of the terminology explanations that mention "index" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…語(言語記号)は条件反射の刺激という信号に取って代わる〈信号の信号〉であり,この〈信号の信号〉は事物・事象が不在でも,それらについての観念を指示し惹起することができる。 実現された記号はその形式的特徴からアイコンicon(類像記号――ある対象の画像など),インデクスindex(指標記号――矢印がなんらかの対象を指示する場合),シンボルsymbol(象徴記号――約束的な記号で,その代表は自然言語)の3種に分類されることがある(C.S.パース)。また,モリスによれば,こうした記号を検討する記号論は,意味論semantics(記号と,それが指示する対象の関係。… ※「インデクス」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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