EntityQ185443· pop 20· linked from 412 articlesthree-valued logicSign in to savelogic system in which there are three truth values indicating true, false and some indeterminate third valueConnectionssemantic theory of truthEntitymathematical logicEntityBoolean algebraEntitypropositional calculusEntitylogical disjunctionEntitylogical conjunctionEntitylogical operatorEntityfirst-order logicEntityternary numeral systemEntityformal systemEntityrecursive setEntityBoolean algebraEntitythree-state logicEntitysemantics of logicEntitystructureEntityground expressionEntitydiagramEntitylogicEntityInternational Standard Book NumberEntityset theoryEntityCategoriesMany-valued logicTernary computers