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 26542-26544
(subclass TDDPhone Telephone)	Mid-level-ontology.kif 26541-26541	TDD phone is a subclass of telephone

appearance as argument number 2

(termFormat EnglishLanguage TDDPhone "TDD phone")

domainEnglishFormat.kif 65621-65621

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 26546-26554

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 deaf is an attribute of the entity

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