(subclass ElectricalCircuit ElectricDevice) | engineering.kif 984-984 | Electrical circuit is a subclass of electric device |
(subclass Amplifier ElectricalCircuit) | engineering.kif 990-990 | Amplifier is a subclass of electrical circuit |
(subclass FrequencyFilter ElectricalCircuit) | engineering.kif 995-995 | Frequency filter is a subclass of electrical circuit |
(subclass Rectifier ElectricalCircuit) | engineering.kif 1010-1010 | Rectifier is a subclass of electrical circuit |
(subclass OperationalAmplifier ElectricalCircuit) | engineering.kif 1044-1044 | Operational amplifier is a subclass of electrical circuit |