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Sigma KEE - TDDPhone
TDDPhone

appearance as argument number 1
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(documentation TDDPhone EnglishLanguage "TDDPhone, which stands for Telecommunications Device for the Deaf, describes a Telephone that is designed so that Deaf people can use it") Mid-level-ontology.kif 24353-24355
(subclass TDDPhone Telephone) Mid-level-ontology.kif 24352-24352 TDDPhone is a subclass of telephone

antecedent
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(=>
    (instance ?TDD TDDPhone)
    (hasPurpose ?TDD
        (exists (?AGENT ?PHONING)
            (and
                (instance ?PHONING Telephoning)
                (instrument ?PHONING ?TDD)
                (agent ?PHONING ?AGENT)
                (attribute ?AGENT Deaf)))))
Mid-level-ontology.kif 24357-24365


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