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KB Term:  Term intersection
English Word: 

  Necessity

Sigma KEE - Necessity
Necessity必需品, 要素, 需要, 必需品, 不可避免+的, 必然+的, 总会, 无可避免, 命运注定+的, 宿命+的, 由命运控制+的, 不可避免+的, 必然+的, 必然发生+的, 难免的, 不可避免+的, 势必+的, 必然+的, 不可缺少+的, 必要+的, 必需+的, 必须+的, 必要+地, 必需+地, 需要+地, 必定+地, 必然+地,

appearance as argument number 1
-------------------------


(documentation Necessity ChineseLanguage "这是指应用于必须出现 Proposition 的属性,即是 它在所有的世界上都会实现。") Merge.kif 17754-17755
(documentation Necessity EnglishLanguage "Attribute that applies to Propositions that are necessary, i.e. true in every possible world.") Merge.kif 17752-17753
(instance Necessity AlethicAttribute) Merge.kif 17751-17751

appearance as argument number 2
-------------------------


(termFormat EnglishLanguage Necessity "necessity") domainEnglishFormat.kif 7096-7096

antecedent
-------------------------


(<=>
    (modalAttribute ?FORMULA Necessity)
    (not
        (modalAttribute
            (not ?FORMULA) Possibility)))
Merge.kif 17757-17759
(=>
    (and
        (instance ?AGENT Agent)
        (potentialCustomer ?CUST ?AGENT)
        (modalAttribute
            (and
                (instance ?R Reserving)
                (destination ?R ?AGENT)) Necessity)
        (conditionalProbability
            (exists (?RES1)
                (and
                    (instance ?RES1 Reservation)
                    (reservingEntity ?CUST ?RES1)
                    (fulfillingEntity ?AGENT ?RES1)))
            (customer ?CUST ?AGENT) ?NUM1)
        (conditionalProbability
            (not
                (exists (?RES2)
                    (and
                        (instance ?RES2 Reservation)
                        (reservingEntity ?CUST ?RES2)
                        (fulfillingEntity ?AGENT ?RES2))))
            (customer ?CUST ?AGENT) ?NUM2))
    (lessThan ?NUM2 ?NUM1))
Dining.kif 729-752
(=>
    (modalAttribute ?FORMULA Necessity)
    (modalAttribute ?FORMULA Possibility))
Merge.kif 17761-17763

consequent
-------------------------


(=>
    (and
        (instance ?H Human)
        (instance ?A AwardingADegree)
        (patient ?A
            (HonoraryDegreeFn ?FIELDOFSTUDY ?SCHOOL))
        (destination ?A ?H)
        (agent ?A ?SCHOOL)
        (exists (?INTERVAL)
            (instance ?INTERVAL TimeInterval)))
    (and
        (not
            (modalAttribute
                (holdsDuring ?INTERVAL
                    (attends ?S ?SCHOOL)) Necessity))
        (modalAttribute
            (attribute ?H Student) Unlikely)))
LinkedInDegrees.kif 115-129


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