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appearance as argument number 1

(subclass Asphalt RefinedPetroleumProduct)	Economy.kif 6374-6374	Asphalt is a subclass of refined petroleum product
(disjoint Asphalt FossilFuel)	Economy.kif 6375-6375	Asphalt is disjoint from fossil fuel
(documentation Asphalt EnglishLanguage "Asphalt is a highly viscous liquid that occurs naturally in most crude petroleums. Asphalt can be separated from the other components in crude oil (such as naphtha, gasoline and diesel) by the process of fractional distillation, usually under vacuum conditions. Both tars and asphalts are classified as bitumens, a classification that includes all materials entirely soluble in carbon disulphide. Asphalt is commonly used in roofing shingles, and combined with mineral aggregate to make asphalt concrete for making roads. (definition from Wikipedia)")	Economy.kif 6376-6383	Asphalt is disjoint from fossil fuel

appearance as argument number 2

(industryProductType AsphaltPavingRoofingAndSaturatedMaterialsManufacturing Asphalt)	Economy.kif 1966-1966	Asphalt is an industry product type of asphalt paving roofing and saturated materials manufacturing
(termFormat EnglishLanguage Asphalt "asphalt")	domainEnglishFormat.kif 8698-8698	Asphalt is an industry product type of asphalt paving roofing and saturated materials manufacturing
(termFormat ChineseTraditionalLanguage Asphalt "瀝青")	domainEnglishFormat.kif 8699-8699	Asphalt is an industry product type of asphalt paving roofing and saturated materials manufacturing
(termFormat ChineseLanguage Asphalt "沥青")	domainEnglishFormat.kif 8700-8700	Asphalt is an industry product type of asphalt paving roofing and saturated materials manufacturing

antecedent

(=>
    (and
        (instance ?RUNWAY Runway)
        (surface ?SURFACE ?RUNWAY)
        (instance ?SURFACE Asphalt))
    (instance ?RUNWAY PavedRunway))

consequent

(=>
    (and
        (instance ?RUNWAY PavedRunway)
        (surface ?SURFACE ?RUNWAY))
    (or
        (instance ?SURFACE Asphalt)
        (instance ?SURFACE Concrete)))