[ trooth-fuhngk-shuh n ]
/ ˈtruθˌfʌŋk ʃən /

noun Logic.

a statement so constructed from other statements that its truth-value depends on the truth-values of the other statements rather than on their meanings.
Related formstruth-func·tion·al, adjectivetruth-func·tion·al·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for truth-function


noun 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
a complex sentence whose truth-value is so determined, such as a negation or conjunction
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012