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appearance as argument number 1

(documentation grandfather EnglishLanguage "(grandfather ?PERSON ?PARENT) means that ?PARENT is the grandfather of ?PERSON.")	Mid-level-ontology.kif 20940-20941
(domain grandfather 1 Human)	Mid-level-ontology.kif 20942-20942
(domain grandfather 2 Man)	Mid-level-ontology.kif 20943-20943
(instance grandfather BinaryPredicate)	Mid-level-ontology.kif 20869-20869
(subrelation grandfather grandparent)	Mid-level-ontology.kif 20868-20868

appearance as argument number 2

(format EnglishLanguage grandfather "the grandfather of %1 is %2")	domainEnglishFormat.kif 894-894
(termFormat EnglishLanguage grandfather "grandfather")	domainEnglishFormat.kif 4820-4820

antecedent

(=>
    (grandfather ?H ?P)
    (exists (?C)
        (and
            (father ?C ?P)
            (parent ?H ?C))))

Mid-level-ontology.kif 20946-20951

consequent

(<=>
    (cousin ?P1 ?P2)
    (and
        (exists (?G1 ?G2)
            (and
                (grandmother ?P1 ?G1)
                (grandfather ?P1 ?G2)
                (grandmother ?P2 ?G1)
                (grandfather ?P2 ?G2)))
        (not
            (exists (?M ?F)
                (and
                    (mother ?P1 ?M)
                    (father ?P1 ?F)
                    (mother ?P2 ?M)
                    (father ?P2 ?F))))))

Mid-level-ontology.kif 20923-20938

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KB Term:			Term intersection

English Word: