Crystal - Sigma Knowledge base Browser

appearance as argument number 1

(documentation Crystal ChineseLanguage "Crystal Solid 是一种拥有 CrystallineStructure 的 Substance。")	Geography.kif 7107-7108
(documentation Crystal EnglishLanguage "A Crystal Solid is a Substance with a CrystallineStructure.")	Geography.kif 7104-7105
(subclass Crystal Substance)	Geography.kif 7110-7110	Crystal is a subclass of substance

appearance as argument number 2

(subclass Snowflake Crystal)	Weather.kif 2994-2994	Snowflake is a subclass of crystal
(termFormat ChineseLanguage Crystal "水晶")	Geography.kif 7114-7114	Snowflake is a subclass of crystal
(termFormat EnglishLanguage Crystal "crystal")	Geography.kif 7112-7112	Snowflake is a subclass of crystal

antecedent

(=>
    (and
        (instance ?C Crystal)
        (attribute ?C MonoCrystalline)
        (instance ?SUB Substance)
        (attribute ?SUB Solid)
        (attribute ?SUB PolyCrystalline)
        (instance ?S Substance)
        (surface ?S ?SUB)
        (not
            (part ?C ?S)))
    (exists (?CLNT ?X ?MBR)
        (and
            (instance ?CLNT Collection)
            (memberCount ?CLNT ?X)
            (greaterThanOrEqualTo ?X 4)
            (=>
                (member ?MBR ?CLNT)
                (and
                    (part ?MBR ?SUB)
                    (meetsSpatially ?C ?MBR))))))

Geography.kif 7142-7162