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Term 1: Term 2:

(subclass Fourpole Multipole) engineering.kif 587-587 Fourpole is a subclass of multipole
(subclass Twoport Fourpole) engineering.kif 590-590 Twoport is a subclass of fourpole
(subclass IdealOperationalAmplifier Fourpole) engineering.kif 604-604 Ideal operational amplifier is a subclass of fourpole


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