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| SoundPressureLevelUnit(sound pressure level unit) |
| appearance as argument number 1 |
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| (subclass SoundPressureLevelUnit UnitOfMeasure) | Merge.kif 7587-7587 | Sound pressure level unit is a subclass of unit of measure |
| (documentation SoundPressureLevelUnit EnglishLanguage "The Class of all UnitOfMeasure that measure a sound pressure level.") | Merge.kif 7588-7589 | Sound pressure level unit is a subclass of unit of measure |
| appearance as argument number 2 |
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| (termFormat EnglishLanguage SoundPressureLevelUnit "sound pressure level unit") | Merge.kif 7590-7590 | |
| (instance Decibel SoundPressureLevelUnit) | Merge.kif 7592-7592 | DB(A) is an instance of sound pressure level unit |
| (instance DecibelA SoundPressureLevelUnit) | Merge.kif 7602-7602 | Decibel a_weighted is an instance of sound pressure level unit |
| consequent |
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| (=> (hearingAcuity ?H (MeasureFn ?N1 ?U) (MeasureFn ?N2 ?U)) (instance ?U SoundPressureLevelUnit)) |
Medicine.kif 1724-1728 | If X can hear frequency of Y Z(s) at W Z(s) decibels, then Z is an instance of sound pressure level unit |
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