| 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 22567-22569 | |
| (domain stepfather 1 Human) | Mid-level-ontology.kif 22570-22570 | The number 1 argument of stepfather is an instance of human |
| (domain stepfather 2 Man) | Mid-level-ontology.kif 22571-22571 | The number 2 argument of stepfather is an instance of man |
| (instance stepfather BinaryPredicate) | Mid-level-ontology.kif 22573-22573 | stepfather is an instance of binary predicate |
| (subrelation stepfather legalRelation) | Mid-level-ontology.kif 22572-22572 | 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 4651-4651 | |
| (format ChineseTraditionalLanguage stepfather "%2 是 %1 的 stepfather ") | domainEnglishFormat.kif 4650-4650 | |
| (format EnglishLanguage stepfather "%2 is the stepfather of %1") | domainEnglishFormat.kif 4649-4649 | |
| (termFormat ChineseLanguage stepfather "继父") | domainEnglishFormat.kif 55281-55281 | |
| (termFormat ChineseTraditionalLanguage stepfather "繼父") | domainEnglishFormat.kif 55280-55280 | |
| (termFormat EnglishLanguage stepfather "stepfather") | domainEnglishFormat.kif 55279-55279 |
| 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 22575-22582 | 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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