| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Merge.kif 7450-7451 | |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 7449-7449 | SoundPressureLevelUnit 是 测量单位 的 subclass |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | Merge.kif 7454-7454 | Decibel 是 SoundPressureLevelUnit 的 instance |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 7464-7464 | DecibelA 是 SoundPressureLevelUnit 的 instance |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 7452-7452 |
| consequent |
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| No TPTP formula. May not be expressible in strict first order. | Medicine.kif 1740-1744 |
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Sigma version 3.0 is open source software produced by Articulate Software and its partners