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Sigma KEE - EngineCycle
EngineCycle

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


(documentation EngineCycle EnglishLanguage "A complete cycle of Engine phases, including a repeat of the first phase. In a FourStrokeEngine this means intake, compression, combustion, exhaust and back to intake.") Cars.kif 81-83
(subclass EngineCycle Motion) Cars.kif 80-80

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


(subclass FourStrokeEngineCycle EngineCycle) Cars.kif 134-134
(subclass TwoStrokeEngineCycle EngineCycle) Cars.kif 251-251
(termFormat EnglishLanguage EngineCycle "engine cycle") domainEnglishFormat.kif 64847-64847

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


(=>
    (and
        (instance ?EC EngineCycle)
        (instance ?E InternalCombustionEngine)
        (instance ?CC CombustionChamber)
        (part ?CC ?E)
        (eventLocated ?EC ?E)
        (instance ?U UnitOfVolume)
        (holdsDuring
            (WhenFn ?EC)
            (maxCylinderVolume ?E
                (MeasureFn ?V1 ?U))))
    (not
        (exists (?V2 ?T)
            (and
                (during ?T
                    (WhenFn ?EC))
                (holdsDuring ?T
                    (measure ?CC
                        (MeasureFn ?V2 ?U)))
                (greaterThan ?V2 ?V1)))))		 Cars.kif 1881-1900
(=>
    (and
        (instance ?EC EngineCycle)
        (instance ?E InternalCombustionEngine)
        (instance ?CC CombustionChamber)
        (part ?CC ?E)
        (eventLocated ?EC ?E)
        (instance ?U UnitOfVolume)
        (holdsDuring
            (WhenFn ?EC)
            (minCylinderVolume ?E
                (MeasureFn ?V1 ?U))))
    (not
        (exists (?V2 ?T)
            (and
                (during ?T
                    (WhenFn ?EC))
                (holdsDuring ?T
                    (measure ?CC
                        (MeasureFn ?V2 ?U)))
                (greaterThan ?V1 ?V2)))))		 Cars.kif 1851-1870
(=>
    (and
        (instance ?EC EngineCycle)
        (instance ?E InternalCombustionEngine)
        (instance ?P Piston)
        (instance ?U UnitOfLength)
        (part ?P ?E)
        (patient ?EC ?P)
        (eventLocated ?EC ?E)
        (pistonStroke ?E
            (MeasureFn ?LM ?U)))
    (not
        (exists (?T1 ?T2 ?L1 ?L2 ?D)
            (and
                (during ?T1
                    (WhenFn ?EC))
                (during ?T2
                    (WhenFn ?EC))
                (holdsDuring ?T1
                    (located ?P ?L1))
                (holdsDuring ?T2
                    (located ?P ?L2))
                (distance ?L1 ?L2
                    (MeasureFn ?D ?U))
                (greaterThan ?D ?LM)))))		 Cars.kif 1926-1948


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