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Sigma KEE - IronOxide
IronOxide(iron oxide)

appearance as argument number 1
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(subclass IronOxide CompoundSubstance) Transportation.kif 4842-4842 Iron oxide is a subclass of compound substance
(documentation IronOxide EnglishLanguage "IronOxides are chemical compounds composed of iron and oxygen. The best known of which is Rust.[Wikipedia]") Transportation.kif 4843-4844 Iron oxide is a subclass of compound substance
(roomTempState IronOxide Solid) Transportation.kif 4846-4846 room temperature state iron oxide and solid

appearance as argument number 2
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(termFormat EnglishLanguage IronOxide "iron oxide") Transportation.kif 4845-4845
(subclass Rust IronOxide) Transportation.kif 4857-4857 Rust is a subclass of iron oxide

antecedent
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(=>
    (instance ?IO IronOxide)
    (exists (?I ?O)
        (and
            (instance ?I Iron)
            (instance ?O Oxygen)
            (part ?I ?IO)
            (part ?O ?IO))))
Transportation.kif 4848-4855 If X is an instance of iron oxide, then there exist Y, Z such that Y is an instance of iron, Z is an instance of oxygen, Y is a part of X, and Z is a part of X


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