NonnegativeRealNumber(nonnegative real number) | nonnegative |
appearance as argument number 1 |
(documentation NonnegativeRealNumber ChineseLanguage "这是一个大于或等于零的 RealNumber。") | chinese_format.kif 1745-1745 | |
(documentation NonnegativeRealNumber EnglishLanguage "A RealNumber that is greater than or equal to zero.") | Merge.kif 1923-1924 | |
(documentation NonnegativeRealNumber JapaneseLanguage "ゼロ 以上の RealNumber 。") | japanese_format.kif 353-353 | |
(externalImage NonnegativeRealNumber "http://upload.wikimedia.org/wikipedia/ commons/ d/ dc/ Reelle_Zahlengerade_mit_Konstanten.png") | pictureList.kif 11508-11508 | |
(externalImage NonnegativeRealNumber "http://upload.wikimedia.org/wikipedia/ commons/ f/ fd/ Recta_real_entero_o_decimal_exacto.png") | pictureList.kif 10149-10149 | |
(subclass NonnegativeRealNumber RealNumber) | Merge.kif 1921-1921 | Nonnegative real number is a subclass of real number |
appearance as argument number 2 |
appearance as argument number 3 |
antecedent |
(<=> (instance ?NUMBER NonnegativeRealNumber) (and (greaterThanOrEqualTo ?NUMBER 0) (instance ?NUMBER RealNumber))) |
Merge.kif 1926-1930 | A real number is an instance of nonnegative real number if and only if the real number is greater than or equal to 0 and the real number is an instance of real number |
(=> (instance ?NUMBER NonnegativeRealNumber) (or (equal (SignumFn ?NUMBER) 1) (equal (SignumFn ?NUMBER) 0))) |
Merge.kif 5196-5200 |
|
consequent |
(<=> (and (equal (AbsoluteValueFn ?NUMBER1) ?NUMBER2) (instance ?NUMBER1 RealNumber) (instance ?NUMBER2 RealNumber)) (or (and (instance ?NUMBER1 NonnegativeRealNumber) (equal ?NUMBER1 ?NUMBER2)) (and (instance ?NUMBER1 NegativeRealNumber) (equal ?NUMBER2 (SubtractionFn 0.0 ?NUMBER1))))) |
Merge.kif 4769-4780 | The absolute value of a real number is equal to a nonnegative real number and the real number is an instance of real number and the nonnegative real number is an instance of real number if and only if the real number is an instance of nonnegative real number and the real number is equal to the nonnegative real number or the real number is an instance of negative real number and the nonnegative real number is equal to (0.0 and the real number) |