Desertification - Sigma Knowledge base Browser

appearance as argument number 1

(documentation Desertification ChineseLanguage "Desertification 是肥沃土地变成沙漠的 Process。")	Weather.kif 1003-1004
(documentation Desertification EnglishLanguage "Desertification is the Process by which fertile land becomes desert.")	Weather.kif 1000-1001
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ 7/ 7b/ Aralship2.jpg")	pictureList.kif 5959-5959
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ 9/ 94/ ShrinkingLakeChad-1973-1997-EO.jpg")	pictureList.kif 6372-6372
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ f/ f9/ Nouakchott_SandDunesEncroaching.jpg")	pictureList.kif 6373-6373
(subclass Desertification WeatherProcess)	Weather.kif 998-998	Desertification is a subclass of weather process

appearance as argument number 2

(termFormat ChineseLanguage Desertification "荒漠化")	domainEnglishFormat.kif 19135-19135
(termFormat ChineseTraditionalLanguage Desertification "荒漠化")	domainEnglishFormat.kif 19134-19134
(termFormat EnglishLanguage Desertification "desertification")	domainEnglishFormat.kif 19133-19133

antecedent

(=>
    (and
        (instance ?DESERTIFICATION Desertification)
        (eventLocated ?DESERTIFICATION ?AREA))
    (exists (?A1 ?A2)
        (and
            (instance ?A1 ArableLand)
            (instance ?A2 Desert)
            (holdsDuring
                (BeginFn
                    (WhenFn ?DESERTIFICATION))
                (overlapsSpatially ?AREA ?A1))
            (holdsDuring
                (EndFn
                    (WhenFn ?DESERTIFICATION))
                (overlapsSpatially ?AREA ?A2)))))

Weather.kif 1008-1021

If a process is an instance of desertification and the process is located at 2,
then there exist an entity and another entity such that the entity is an instance of arable land and the other entity is an instance of desert and overlaps spatially a third entity and the entity holds during the beginning of the time of existence of the process and overlaps spatially the third entity and the other entity holds during the end of the time of existence of the process

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