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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 name "pH"
(termFormat ChineseLanguage PHValue "酸碱度")	domainEnglishFormat.kif 45741-45741	PH value has name "pH"
(termFormat ChineseTraditionalLanguage PHValue "酸鹼度")	domainEnglishFormat.kif 45740-45740	PH value has name "pH"
(termFormat EnglishLanguage PHValue "PH value")	domainEnglishFormat.kif 45739-45739	PH value has 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	If a process is an instance of process and a physical is a patient of the process and the physical is an instance of water and the measure of the physical is a real number PH value(s), then the real number is less than 5.6
(=> (measure ?SOLUTION (MeasureFn ?PH PHValue)) (greaterThanOrEqualTo ?PH 0.0))	Geography.kif 2545-2547	If the measure of a physical is a real number PH value(s), then the real number is greater than or equal to 0.0
(=> (measure ?SOLUTION (MeasureFn ?PH PHValue)) (lessThanOrEqualTo ?PH 14.0))	Geography.kif 2541-2543	If the measure of a physical is a real number PH value(s), then the real number is less than or equal to 14.0

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 3226-3247	If a process is an instance of curdling milk and a physical is an instance of milk and the physical is a patient of the process, then there exist a real number, another process,, , an entity and another entity such that the measure of the physical is the real number PH value(s) and the other process is an instance of decreasing and the other process is a subprocess of the process and the real number is a patient of the other process and the real number is equal to the entity holds during the beginning of the time of existence of the other process and the real number is equal to the other entity holds during the end of the time of existence of the other process
(=> (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	If a process is an instance of acid rainfall, then there exist a physical and a real number such that the physical is an instance of water and the physical is a patient of the process and the measure of the physical is the real number PH value(s) and the real number is less than 5.0

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