TDDPhone - Sigma Knowledge base Browser

appearance as argument number 1

(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 28177-28179
(subclass TDDPhone Telephone)	Mid-level-ontology.kif 28176-28176	TDD phone is a subclass of telephone

appearance as argument number 2

(termFormat EnglishLanguage TDDPhone "TDD phone")

domainEnglishFormat.kif 65567-65567

antecedent

(=>
    (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 28181-28189

If a physical is an instance of TDD phone,
then the physical has the purpose there exist an entity and another entity such that the other entity is an instance of telephoning and the physical is an instrument for the other entity and the entity is an agent of the other entity and deafness is an attribute of the entity

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