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 3212-3213
(documentation Desertification EnglishLanguage "Desertification is the Process by which fertile land becomes desert.")	Weather.kif 3210-3211
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ 7/ 7b/ Aralship2.jpg")	pictureList.kif 5957-5957
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ 9/ 94/ ShrinkingLakeChad-1973-1997-EO.jpg")	pictureList.kif 6370-6370
(externalImage Desertification "http://upload.wikimedia.org/wikipedia/commons/ f/ f9/ Nouakchott_SandDunesEncroaching.jpg")	pictureList.kif 6371-6371
(subclass Desertification WeatherProcess)	Weather.kif 3208-3208	Desertification is a subclass of weather process

appearance as argument number 2

(termFormat ChineseLanguage Desertification "荒漠化")	domainEnglishFormat.kif 19221-19221
(termFormat ChineseTraditionalLanguage Desertification "荒漠化")	domainEnglishFormat.kif 19220-19220
(termFormat EnglishLanguage Desertification "desertification")	domainEnglishFormat.kif 19219-19219

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 3216-3229

If a process is an instance of desertification and the process is located at an object,
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 the object and the entity overlapsSpatially holds during the beginning of the time of existence of the process and the object and the other entity overlapsSpatially holds during the end of the time of existence of the process

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