| No TPTP formula. May not be expressible in strict first order. | Merge.kif 17660-17660 | 子類 ColorAttribute and VisualAttribute |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 19370-19370 | 子類 光譜顏色 and ColorAttribute |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 19375-19375 | 子類 二等色 and ColorAttribute |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 17665-17665 | 子類 PrimaryColor and ColorAttribute |
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