DescendantsFn - Sigma Knowledge base Browser

appearance as argument number 1

(instance DescendantsFn UnaryFunction)	Mid-level-ontology.kif 8782-8782	Descendants is an instance of unary function
(domain DescendantsFn 1 Human)	Mid-level-ontology.kif 8783-8783	The number 1 argument of descendants is an instance of human
(range DescendantsFn FamilyGroup)	Mid-level-ontology.kif 8784-8784	The range of descendants is an instance of family group
(documentation DescendantsFn EnglishLanguage "(DescendantsFn ?PERSON) denotes all and only the descendants of ?PERSON, i.e. the Group consisting of ?OFFSPRING who satisfy the following formula: (ancestor ?OFFSPRING ?PERSON).")	Mid-level-ontology.kif 8785-8787	The range of descendants is an instance of family group

appearance as argument number 2

(format EnglishLanguage DescendantsFn "the descendants of %1")	domainEnglishFormat.kif 718-718
(format ChineseTraditionalLanguage DescendantsFn "%1 的後裔")	domainEnglishFormat.kif 719-719
(format ChineseLanguage DescendantsFn "%1 的后裔")	domainEnglishFormat.kif 720-720
(termFormat EnglishLanguage DescendantsFn "descendants")	domainEnglishFormat.kif 19194-19194
(termFormat ChineseTraditionalLanguage DescendantsFn "後人")	domainEnglishFormat.kif 19195-19195
(termFormat ChineseLanguage DescendantsFn "后人")	domainEnglishFormat.kif 19196-19196

antecedent

(=>
    (and
        (instance ?PERSON Human)
        (equal
            (DescendantsFn ?PERSON) ?DESCENDANTS)
        (member ?MEMBER ?DESCENDANTS))
    (ancestor ?MEMBER ?PERSON))

Mid-level-ontology.kif 8789-8795

If X is an instance of human, equal the descendants of X and Y, and Z is a member of Y, then X is the ancestor of Z

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