EntityQ374182· pop 30· linked from 707 articleslogical consequenceSign in to savefundamental concept in logicConnectionsBoolean algebraEntitysemantics of logicEntitysemantic theory of truthEntitymathematical logicEntityWillard Van Orman QuineEntitypropositionEntitylogical disjunctionEntityfirst-order logicEntityformal systemEntitylogical NOREntityrule of inferenceEntitylogical truthEntityrecursive setEntityinterpretationEntitystructureEntitylogical formEntityground expressionEntitydiagramEntityGermanEntityPolishEntityCategoriesBinary operationsConcepts in logicDeductive reasoningLogical consequenceMetalogicPhilosophical logicPropositional calculusSemantic unitsSyntax (logic)