tautology

n. 同义反复, 赘述, 重言式 [计] 重言式

发音

UK /toːˈtɔl.ə.d͡ʒi/
其它 /toːˈtɔl.ə.d͡ʒi/
US /tɔˈtɑl.ə.d͡ʒi/

词形变化

tautologies 复数 tautologies

释义与例句

n.
  1. 1.

    Redundant use of words, a pleonasm, an unnecessary and tedious repetition.

    不可数 可数

    It is tautology to say, "Forward Planning".

  2. 2.

    An expression that features tautology.

    套套逻辑

    废话

    可数 不可数

    The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".

  3. 3.

    A statement that is true for all truth values of its propositional variables.

    可数 数学 哲学 不可数
  4. 4.

    A statement that is true for all truth values of its Boolean atoms.

    可数 数学 哲学 不可数

词汇关系

名词

上位词 3

truth repetitiousness repetitiveness

词源

From Late Latin tautologia, from Ancient Greek ταὐτολογία (tautología) from ταὐτός (tautós, “the same”) + λόγος (lógos, “explanation”). By surface analysis, tauto- + -logy.

来源：wiktionary