tautology

Nghĩa (Tiếng Anh)

  1. (uncountable) Redundant use of words, a pleonasm, an unnecessary and tedious repetition.
  2. (countable) An expression that features tautology.
  3. (countable) A statement that is true for all truth values of its propositional variables.
  4. (countable) A statement that is true for all truth values of its Boolean atoms.

Từ đồng nghĩa

identically true formula

logical truth

necessary truth

universally valid formula

useless repetition

Phát âm là (IPA)
/tɔˈtɒl.ə.d͡ʒi/
Từ nguyên (Tiếng Anh)

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

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