LowTide - Sigma Knowledge base Browser

appearance as argument number 1

(documentation LowTide EnglishLanguage "LowTide is the class of TidalProcesses that occur twice a day in marine waters, in which the water level falls below the mean sea level.")	Geography.kif 4980-4982
(subclass LowTide TidalProcess)	Geography.kif 4978-4978	Low tide is a subclass of tidal process

appearance as argument number 2

(subclass LowerLowTide LowTide)	Geography.kif 4984-4984	Lower low tide is a subclass of low tide
(termFormat ChineseLanguage LowTide "低潮")	domainEnglishFormat.kif 35271-35271	Lower low tide is a subclass of low tide
(termFormat ChineseTraditionalLanguage LowTide "低潮")	domainEnglishFormat.kif 35270-35270	Lower low tide is a subclass of low tide
(termFormat EnglishLanguage LowTide "low tide")	domainEnglishFormat.kif 35269-35269	Lower low tide is a subclass of low tide

antecedent

(=>
    (and
        (instance ?LOW LowTide)
        (instance ?HIGH HighTide)
        (eventLocated ?LOW ?PLACE)
        (eventLocated ?HIGH ?PLACE)
        (instance ?DAY Day)
        (overlapsTemporally ?LOW ?DAY)
        (overlapsTemporally ?HIGH ?DAY))
    (exists (?AMOUNT1 ?AMOUNT2 ?U)
        (and
            (instance ?U UnitOfLength)
            (holdsDuring ?LOW
                (waterDepth ?PLACE
                    (MeasureFn ?AMOUNT1 ?U)))
            (holdsDuring ?HIGH
                (waterDepth ?PLACE
                    (MeasureFn ?AMOUNT2 ?U)))
            (greaterThan ?AMOUNT2 ?AMOUNT1))))

Geography.kif 4958-4976

If a time interval is an instance of low tide and another time interval is an instance of high tide and the time interval is located at an object and the other time interval is located at the object and a third time interval is an instance of day and the third time interval overlaps the time interval and the third time interval overlaps the other time interval,
then there exist a real number, another real number and an entity such that the entity is an instance of unit of length and the real number the entity(s) is a water depth of the object holds during the time interval and the other real number the entity(s) is a water depth of the object holds during the other time interval and the other real number is greater than the real number

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