| SadFacialExpression(sad facial expression) | | sad-faced |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | emotion.kif 1322-1323 | |
| No TPTP formula. May not be expressible in strict first order. | emotion.kif 1321-1321 | Sad facial expression is internally related to sadness |
| No TPTP formula. May not be expressible in strict first order. | emotion.kif 1319-1319 | Sad facial expression is a subclass of emotional facial expression |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | emotion.kif 185-185 | action tendency sadness and sad facial expression |
| No TPTP formula. May not be expressible in strict first order. | emotion.kif 1320-1320 |
| consequent |
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| No TPTP formula. May not be expressible in strict first order. | emotion.kif 1325-1334 |
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