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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 24719-24720
(domain grandfather 1 Human)	Mid-level-ontology.kif 24721-24721	The number 1 argument of grandfather is an instance of human
(domain grandfather 2 Man)	Mid-level-ontology.kif 24722-24722	The number 2 argument of grandfather is an instance of man
(instance grandfather BinaryPredicate)	Mid-level-ontology.kif 24660-24660	grandfather is an instance of binary predicate
(subrelation grandfather grandparent)	Mid-level-ontology.kif 24659-24659	grandfather is a subrelation of grandparent

appearance as argument number 2

(format ChineseLanguage grandfather "%1 的 grandfather 是 %2 ")	domainEnglishFormat.kif 3536-3536
(format ChineseTraditionalLanguage grandfather "%1 的 grandfather 是 %2 ")	domainEnglishFormat.kif 3535-3535
(format EnglishLanguage grandfather "the grandfather of %1 is %2")	domainEnglishFormat.kif 3534-3534
(termFormat ChineseLanguage grandfather "祖父")	domainEnglishFormat.kif 26405-26405
(termFormat ChineseTraditionalLanguage grandfather "祖父")	domainEnglishFormat.kif 26404-26404
(termFormat EnglishLanguage grandfather "grandfather")	domainEnglishFormat.kif 26403-26403

antecedent

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

Mid-level-ontology.kif 24724-24729

If the grandfather of a human is a man,
then there exists an organism such that the man is a father of the organism and the organism is a parent of the human

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 24702-24717

A human and another human are cousins if and only if there exist a woman and a man such that the grandmother of the human is the woman and the grandfather of the human is the man and the grandmother of the other human is the woman and the grandfather of the other human is the man and there don't exist an organism and another organism such that the organism is a mother of the human and the other organism is a father of the human and the organism is a mother of the other human and the other organism is a father of the other human

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KB Term:			Term intersection

English Word: