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Sigma KEE - PHValue
PHValue(PH value)

appearance as argument number 1
-------------------------


(documentation PHValue EnglishLanguage "PHValue ('pH') is a UnitOfMeasure used to measure the acidity or alkalinity of a solution. The pH scale ranges from 0 to 14. The pH of a neutral solution is 7. Acid solutions have a pH value less than seven. Alkaline solutions have a value greater than seven.") Geography.kif 2528-2532
(instance PHValue NonCompositeUnitOfMeasure) Geography.kif 2527-2527 PH value is an instance of NonCompositeUnitOfMeasure

appearance as argument number 2
-------------------------


(names "pH" PHValue) Geography.kif 2525-2525 PH value has name "pH"
(termFormat ChineseLanguage PHValue "酸碱度") domainEnglishFormat.kif 45691-45691
(termFormat ChineseTraditionalLanguage PHValue "酸鹼度") domainEnglishFormat.kif 45690-45690
(termFormat EnglishLanguage PHValue "PH value") domainEnglishFormat.kif 45689-45689

antecedent
-------------------------


(<=>
    (measure ?SOLUTION
        (MeasureFn ?PH PHValue))
    (potentialOfHydrogen ?SOLUTION ?PH))
Geography.kif 2534-2537 The measure of a solution is a real number PH value(s) if and only if the real number is a potential of hydrogen of the solution
(=>
    (and
        (instance ?RAINFALL Process)
        (patient ?RAINFALL ?RAIN)
        (instance ?RAIN Water)
        (measure ?RAIN
            (MeasureFn ?PH PHValue)))
    (lessThan ?PH 5.6))
Geography.kif 2547-2553
(=>
    (measure ?SOLUTION
        (MeasureFn ?PH PHValue))
    (greaterThanOrEqualTo ?PH 0))
Geography.kif 2543-2545
(=>
    (measure ?SOLUTION
        (MeasureFn ?PH PHValue))
    (lessThanOrEqualTo ?PH 14))
Geography.kif 2539-2541

consequent
-------------------------


(=>
    (instance ?AR AcidRainfall)
    (exists (?RAIN ?PH)
        (and
            (instance ?RAIN Water)
            (patient ?AR ?RAIN)
            (measure ?RAIN
                (MeasureFn ?PH PHValue))
            (lessThan ?PH 5))))
Geography.kif 2495-2503


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