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   Easel
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| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26723-26724 | |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26722-26722 | 子類 Easel and Tripod |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26725-26725 |
| antecedent |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 26727-26736 |
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