tautology

noun
/tɔˈtɒləd͡ʒi/UK/toːˈtɔləd͡ʒi/

Etymology

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

  1. derived from tautologia

Definitions

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

    • It is tautology to say, "Forward Planning".
  2. An expression that features tautology.

    • The expression "raze to the ground" is a tautology, since the word "raze" includes the notion "to the ground".
    • Pure mathematics consists of tautologies, analogous to ‘men are men’, but usually more complicated.
  3. A statement that is true for all truth values of its propositional variables.

  4. + 1 more definition
    1. A statement that is true for all truth values of its Boolean atoms.

The neighborhood

Vish — recursive loop

No curated loop yet for tautology. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA