Predicates¶
Questions about the type, shape, or value of an expression. Predicates in the Wolfram Language conventionally end in Q.
AllTrueArrayQAssociationQAtomQBetweenDivisibleDigitQDirectoryQEvenQExactNumberQFileExistsQFreeQInexactNumberQIntegerQLeapYearQLetterQListQMachineNumberQMatrixQMemberQMissingQNameQNegativeNonNegativeNonPositiveNumberQNumericQOddQPositivePrimeQStringQVectorQ
Additional Functions¶
AccuracyAttributesBecauseCFormColonColorQCompositeQConditionElementEqualToFortranFormGreaterEqualThanGreaterThanLessEqualThanLessThanMessageNameNonCommutativeMultiplyNotElementOptionQOptionValuePalindromeQPatternTestPerfectNumberQPossibleZeroQPrecisionPrimePowerQRGBColorRealValuedNumberQRepeatedShareSquareFreeQSubsetQSymbolSymbolNameTeXFormThereforeUnequalToUniqueUpValuesIntervalMemberQPartitionsQNegativeQPositiveQNonNegativeQNonPositiveQAlternativesBackslashCenterDotCircleTimesContextsDefaultValuesDiamondDownValuesFormatValuesFunctionMaxMemoryUsedMemoryAvailableMemoryInUseMessagesNValuesOptionalOptionsOwnValuesPatternPlusMinusPostfixPrecedencePrefixSmallCircleSubValuesWedge