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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 2530-2534
(instance PHValue NonCompositeUnitOfMeasure) Geography.kif 2529-2529 PH value is an instance of non composite unit of measure

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


(names "pH" PHValue) Geography.kif 2527-2527 PH value has &ames$"name" "pH"
(termFormat ChineseLanguage PHValue "酸碱度") domainEnglishFormat.kif 45710-45710 PH value has &ames$"name" "pH"
(termFormat ChineseTraditionalLanguage PHValue "酸鹼度") domainEnglishFormat.kif 45709-45709 PH value has &ames$"name" "pH"
(termFormat EnglishLanguage PHValue "PH value") domainEnglishFormat.kif 45708-45708 PH value has &ames$"name" "pH"

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


(<=>
    (measure ?SOLUTION
        (MeasureFn ?PH PHValue))
    (potentialOfHydrogen ?SOLUTION ?PH))
Geography.kif 2536-2539 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 2549-2555
(=>
    (measure ?SOLUTION
        (MeasureFn ?PH PHValue))
    (greaterThanOrEqualTo ?PH 0.0))
Geography.kif 2545-2547
(=>
    (measure ?SOLUTION
        (MeasureFn ?PH PHValue))
    (lessThanOrEqualTo ?PH 14.0))
Geography.kif 2541-2543

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


(=>
    (and
        (instance ?C CurdlingMilk)
        (instance ?M Milk)
        (patient ?C ?M))
    (exists (?PH ?D ?H ?L)
        (and
            (measure ?M
                (MeasureFn ?PH PHValue))
            (instance ?D Decreasing)
            (subProcess ?D ?C)
            (patient ?D ?PH)
            (holdsDuring
                (BeginFn
                    (WhenFn ?D))
                (equal ?PH ?H)
                (approximateValue ?H 6.5))
            (holdsDuring
                (EndFn
                    (WhenFn ?D))
                (equal ?PH ?L)
                (approximateValue ?L 4.5)))))
Food.kif 3233-3254
(=>
    (instance ?AR AcidRainfall)
    (exists (?RAIN ?PH)
        (and
            (instance ?RAIN Water)
            (patient ?AR ?RAIN)
            (measure ?RAIN
                (MeasureFn ?PH PHValue))
            (lessThan ?PH 5.0))))
Geography.kif 2497-2505


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