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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 3853-3856 | |
| (subclass Magnet Object) | Cars.kif 3851-3851 | Magnet 是 客体 的 subclass |
| appearance as argument number 2 |
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| (subclass Electromagnet Magnet) | Cars.kif 3871-3871 | Electromagnet 是 Magnet 的 subclass |
| (subclass NaturalMagnet Magnet) | Cars.kif 3865-3865 | NaturalMagnet 是 Magnet 的 subclass |
| (termFormat EnglishLanguage Magnet "magnet") | Cars.kif 3852-3852 |
| antecedent |
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| (=> (instance ?M Magnet) (exists (?MAG) (and (instance ?MAG Magnetism) (instrument ?MAG ?M)))) |
Cars.kif 3858-3863 |
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