| appearance as argument number 1 |
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| (documentation ancestor ChineseLanguage "这是 parent 谓词 的传递闭包。 (ancestor ?DESCENDANT ?ANCESTOR)的意思是 ?ANCESTOR 要不是 ?DESCENDANT 的 parent，就是 DESCENDANT 的 parent 的 parent，如此类推。") | chinese_format.kif 3686-3688 | |
| (documentation ancestor EnglishLanguage "The transitive closure of the parent predicate. (ancestor ?DESCENDANT ?ANCESTOR) means that ?ANCESTOR is either the parent of ?DESCENDANT or the parent of the parent of DESCENDANT or etc.") | Merge.kif 16374-16377 | |
| (domain ancestor 1 Organism) | Merge.kif 16372-16372 | The number 1 argument of ancestor is an instance of organism |
| (domain ancestor 2 Organism) | Merge.kif 16373-16373 | The number 2 argument of ancestor is an instance of organism |
| (instance ancestor BinaryPredicate) | Merge.kif 16371-16371 | ancestor is an instance of binary predicate |
| (instance ancestor IrreflexiveRelation) | Merge.kif 16369-16369 | ancestor is an instance of irreflexive relation |
| (instance ancestor TotalValuedRelation) | Merge.kif 16370-16370 | ancestor is an instance of total valued relation |
| (instance ancestor TransitiveRelation) | Merge.kif 16368-16368 | ancestor is an instance of transitive relation |
| appearance as argument number 2 |
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| (format ChineseLanguage ancestor "%2 是 %1 的 ancestor ") | domainEnglishFormat.kif 2798-2798 | |
| (format ChineseTraditionalLanguage ancestor "%2 是 %1 的 ancestor ") | domainEnglishFormat.kif 2797-2797 | |
| (format EnglishLanguage ancestor "%2 is the ancestor of %1") | domainEnglishFormat.kif 2796-2796 | |
| (termFormat ChineseLanguage ancestor "祖先") | domainEnglishFormat.kif 7380-7380 | |
| (termFormat ChineseTraditionalLanguage ancestor "祖先") | domainEnglishFormat.kif 7379-7379 | |
| (termFormat EnglishLanguage ancestor "ancestor") | domainEnglishFormat.kif 7378-7378 |
| consequent |
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| (=> (and (instance ?PERSON Human) (equal (DescendantsFn ?PERSON) ?DESCENDANTS)) (forall (?MEMBER) (<=> (member ?MEMBER ?DESCENDANTS) (ancestor ?MEMBER ?PERSON)))) |
Mid-level-ontology.kif 7466-7473 |
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| (=> (familyRelation ?ORGANISM1 ?ORGANISM2) (exists (?ORGANISM3) (and (ancestor ?ORGANISM3 ?ORGANISM1) (ancestor ?ORGANISM3 ?ORGANISM2)))) |
Merge.kif 16360-16365 |
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| (=> (parent ?CHILD ?PARENT) (ancestor ?CHILD ?PARENT)) |
Merge.kif 16393-16395 |
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