| Ladder(ladder)
| | articulated_ladder, companionway, ladder, rope_ladder |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 15110-15111 | |
| No TPTP formula. May not be expressible in strict first order. | pictureList.kif 547-547 | |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 15109-15109 | Ladder is a subclass of artifact |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 33079-33079 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 33078-33078 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 33077-33077 |
| antecedent |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 15113-15117 |
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