truth-functional

adjective

Of or relating to a truth function; having a truth value that depends solely on the truth values of its components.

Opposite
non-truth-functionaltruth-value gap
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Meanings

adjectivetruth-functional (not comparable)
  1. not comparablehuman sciencesOf or relating to a truth function; having a truth value that depends solely on the truth values of its components.

    Compound sentences are called truth‑functional if their truth-value is a function of the truth-values of their component sentences.

    1944, Rudolf Carnap, Introduction to Semantics, Harvard University Press, page 48

Synonyms & antonyms

Opposite
non-truth-functionaltruth-value gap

Origin

From truth + function + -al.

Full word history & related roots →
Cite this entry
APA

truth-functional. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/truth-functional

MLA

“truth-functional.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/truth-functional. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “truth-functional,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/truth-functional.

Source: truth-functional on Wiktionary, CC BY-SA 4.0.