truth-function


truth-func·tion

(tro͞oth′fŭngk′shən)n. Logic A compound proposition, such as a conjunction or negation, whose truth-value is always determined by the truth-values of the components.

truth-function

n 1. (Logic) a function that determines the truth-value of a complex sentence solely in terms of the truth-values of the component sentences without reference to their meaning 2. (Logic) a complex sentence whose truth-value is so determined, such as a negation or conjunction