| appearance as argument number 1 |
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| (documentation stepfather EnglishLanguage "(stepfather ?PERSON ?FATHER) means that ?FATHER is the stepfather of ?PERSON, i.e. ?FATHER is the spouse of the mother of ?PERSON, without also being the father of ?PERSON.") | Mid-level-ontology.kif 23427-23429 | |
| (domain stepfather 1 Human) | Mid-level-ontology.kif 23430-23430 | The number 1 argument of stepfather is an instance of human |
| (domain stepfather 2 Man) | Mid-level-ontology.kif 23431-23431 | The number 2 argument of stepfather is an instance of man |
| (instance stepfather BinaryPredicate) | Mid-level-ontology.kif 23433-23433 | stepfather is an instance of binary predicate |
| (subrelation stepfather legalRelation) | Mid-level-ontology.kif 23432-23432 | stepfather is a subrelation of legal relation |
| appearance as argument number 2 |
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| (format ChineseLanguage stepfather "%2 是 %1 的 stepfather ") | domainEnglishFormat.kif 4642-4642 | |
| (format ChineseTraditionalLanguage stepfather "%2 是 %1 的 stepfather ") | domainEnglishFormat.kif 4641-4641 | |
| (format EnglishLanguage stepfather "%2 is the stepfather of %1") | domainEnglishFormat.kif 4640-4640 | |
| (termFormat ChineseLanguage stepfather "继父") | domainEnglishFormat.kif 55342-55342 | |
| (termFormat ChineseTraditionalLanguage stepfather "繼父") | domainEnglishFormat.kif 55341-55341 | |
| (termFormat EnglishLanguage stepfather "stepfather") | domainEnglishFormat.kif 55340-55340 |
| antecedent |
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| (<=> (stepfather ?P ?F) (exists (?M) (and (mother ?P ?M) (spouse ?F ?M) (not (father ?P ?F))))) |
Mid-level-ontology.kif 23435-23442 | A man is the stepfather of a human if and only if there exists another human such that the other human is a mother of the human and the man is the spouse of the other human and the man is not a father of the human |
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