(subclass Amplifier ElectricalCircuit) | engineering.kif 990-990 | Amplifier is a subclass of electrical circuit |
(subclass InvertingAmplifier Amplifier) | engineering.kif 1000-1000 | Inverting amplifier is a subclass of amplifier |
(subclass NoninvertingAmplifier Amplifier) | engineering.kif 1005-1005 | Noninverting amplifier is a subclass of amplifier |