…However, there was pioneering research by CS Peirce, and the seeds of multi-valued logic were also found in ancient and medieval times. Around the same time, American mathematician Emil Leon Post also proposed multi-valued logic, independently of Lukasievich. Now, if we represent true as 1, false as 0, and the indeterminate truth value, that is, the third truth value, as 1/2, three-valued logic can be explained by the following truth table. … *Some of the terminology that refers to "Post, EL" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…もっとも,C.S.パースによる先駆的研究もあり,また古代中世においても多値論理学の萌芽があった。また,同じころアメリカの数学者ポストEmil Leon Postもルカシエービチとは無関係に多値論理学を提唱した。 さて,真を1,偽を0,不確定な真理値,すなわち3番目の真理値を1/2であらわすと,三値論理学は次の真理表によって説明される。… ※「Post,E.L.」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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