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   Magnet
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| appearance as argument number 1 |
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| (documentation Magnet EnglishLanguage "Any object that emits Magnetism. Note that this includes both NaturalMagnets and Electromagnets and therefore the most specific superclass is Object, since natural magnets are divisible Substances and electromagnets are CorpuscularObjects.") | Cars.kif 3876-3879 | |
| (subclass Magnet Object) | Cars.kif 3874-3874 | 子類 Magnet and Object |
| appearance as argument number 2 |
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| (subclass Electromagnet Magnet) | Cars.kif 3894-3894 | 子類 Electromagnet and Magnet |
| (subclass NaturalMagnet Magnet) | Cars.kif 3888-3888 | 子類 NaturalMagnet and Magnet |
| (termFormat EnglishLanguage Magnet "magnet") | Cars.kif 3875-3875 |
| antecedent |
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| (=> (instance ?M Magnet) (exists (?MAG) (and (instance ?MAG Magnetism) (instrument ?MAG ?M)))) |
Cars.kif 3881-3886 |
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