Word.ws English Dictionary

tertium non datur

tertium non datur phrase: for every proposition, either it is true or its negation is true.

Phrase

tertium non datur

  1. For every proposition, either it is true or its negation is true.

Origin of tertium non datur

Borrowed from Latin tertium non datur. Literally, “A third thing is not given.”.

Questions about tertium non datur

What does tertium non datur mean?
Tertium non datur means for every proposition, either it is true or its negation is true.
What part of speech is tertium non datur?
Tertium non datur is a phrase.

Words near tertium non datur in the dictionary

  1. tertiating
  2. tertibrach
  3. tertile
  4. tertiles
  5. tertiparous
  6. tertium non datur
  7. tertium quid
  8. tertium quids
  9. tertschite
  10. tertulia
  11. tertulias

Source and license

Adapted from Wiktionary: tertium non datur (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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