| 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 24258-24260 | |
| (domain stepfather 1 Human) | Mid-level-ontology.kif 24261-24261 | The number 1 argument of stepfather is an instance of human |
| (domain stepfather 2 Man) | Mid-level-ontology.kif 24262-24262 | The number 2 argument of stepfather is an instance of man |
| (instance stepfather BinaryPredicate) | Mid-level-ontology.kif 24264-24264 | stepfather is an instance of binary predicate |
| (subrelation stepfather legalRelation) | Mid-level-ontology.kif 24263-24263 | 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 4646-4646 | |
| (format ChineseTraditionalLanguage stepfather "%2 是 %1 的 stepfather ") | domainEnglishFormat.kif 4645-4645 | |
| (format EnglishLanguage stepfather "%2 is the stepfather of %1") | domainEnglishFormat.kif 4644-4644 | |
| (termFormat ChineseLanguage stepfather "继父") | domainEnglishFormat.kif 55335-55335 | |
| (termFormat ChineseTraditionalLanguage stepfather "繼父") | domainEnglishFormat.kif 55334-55334 | |
| (termFormat EnglishLanguage stepfather "stepfather") | domainEnglishFormat.kif 55333-55333 |
| 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 24266-24273 | 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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