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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 EngineCycle is a subclass of motion

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


(subclass FourStrokeEngineCycle EngineCycle) Cars.kif 134-134 Four stroke engine cycle is a subclass of EngineCycle
(subclass TwoStrokeEngineCycle EngineCycle) Cars.kif 251-251 Two stroke engine cycle is a subclass of EngineCycle

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


(=>
    (and
        (instance ?EC EngineCycle)
        (instance ?E InternalCombustionEngine)
        (instance ?CC CombustionChamber)
        (part ?CC ?E)
        (eventLocated ?EC ?E)
        (holdsDuring
            (WhenFn ?EC)
            (maxCylinderVolume ?E ?V1)))
    (not
        (exists (?V2 ?T)
            (and
                (during ?T
                    (WhenFn ?EC))
                (holdsDuring ?T
                    (measure ?CC ?V2))
                (greaterThan ?V2 ?V1)))))
Cars.kif 1891-1907
(=>
    (and
        (instance ?EC EngineCycle)
        (instance ?E InternalCombustionEngine)
        (instance ?CC CombustionChamber)
        (part ?CC ?E)
        (eventLocated ?EC ?E)
        (holdsDuring
            (WhenFn ?EC)
            (minCylinderVolume ?E ?V1)))
    (not
        (exists (?V2 ?T)
            (and
                (during ?T
                    (WhenFn ?EC))
                (holdsDuring ?T
                    (measure ?CC ?V2))
                (greaterThan ?V1 ?V2)))))
Cars.kif 1864-1880
(=>
    (and
        (instance ?EC EngineCycle)
        (instance ?E InternalCombustionEngine)
        (instance ?P Piston)
        (part ?P ?E)
        (patient ?EC ?P)
        (eventLocated ?EC ?E)
        (pistonStroke ?E ?LM))
    (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 ?D)
                (greaterThan ?D ?LM)))))
Cars.kif 1933-1952


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