模糊逻辑的语法和语义

Grammar and Semantics of Fuzzy Logic

摘要: 一、引言传统的逻辑,本文称之为古典逻辑,它研究精确的命题之间的推理。其中,概念都有确定的外延,命题的真值只有真、假二值。可是,人们的实际推理有些常常是不精确的,而是粗略的,近似的,我们称之为模糊的或"弗晰"的(fuzzy)。思维中有一部分概念没有确定的外延,我们称之为模糊概念,由这些模糊概念所构成的命题便不能是或真或假,即,其真值不只有真,假二值,而且有多值、连续值,或语

Abstract: The concept of fuzzy predicate and its set-theoretic interpretation are introduced, and based on them, a first-order fuzzy logic language is investigated with both its grammar and semantics.