truth function From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA Boolean function whose value is interpreted as truth or falsity Related wordsSynonymstruth valuetruth tablebooleantruthsetboolean functiontruth treevaluationnot operatormodeltautologyboolean logicboolean variableternary logicswitching functiontrivialismvaluation function References Wiktionary — truth function Wikipedia — truth function