出典:Wiktionary
出典:『Wiktionary』 (2026/05/21 21:43 UTC 版)
truth-functional (not comparable)
The standard truth-functional connectives are negation (¬, ~), conjunction (∧, &), disjunction (∨), implication (→, ⊃), and biconditional (↔, ≡). A compound sentence that is not truth-functional (e.g., "It is necessary that P") is non-truth-functional.