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Sigma KEE - Lever

Lever(lever)

compound_lever, crowbar, foot_lever, foot_pedal, hand_throttle, lever, pedal, pinch_bar, pry, pry_bar, ripping_bar, spark_lever, tappet, tire_iron, tire_tool, treadle, wrecking_bar

appearance as argument number 1

(documentation Lever EnglishLanguage "Anything which is actually used as a lever, since many things can be used as such, regardless of the intent during their Manufacture. A lever necessarily has a Fulcrum around which the lever exhibits Rotating. A lever has a mechanical advantage at the point of output compared to the point of input of force.")	Mid-level-ontology.kif 1312-1317
(externalImage Lever "http://upload.wikimedia.org/wikipedia/commons/thumb/ f/ f2/ Palanca-ejemplo.jpg/ 800px-Palanca-ejemplo.jpg")	Mid-level-ontology.kif 1318-1318
(subclass Lever Device)	Mid-level-ontology.kif 1310-1310	Lever is a subclass of device

appearance as argument number 2

(subclass GunTrigger Lever)	Mid-level-ontology.kif 1355-1355	Gun trigger is a subclass of lever
(termFormat EnglishLanguage Lever "lever")	Mid-level-ontology.kif 1311-1311

antecedent

(=> (and (instance ?L Lever) (instance ?P Pushing) (instance ?M1 Motion) (instance ?U UnitOfLength) (destination ?P ?E1) (physicalEnd ?E1 ?L) (physicalEnd ?E2 ?L) (not (equal ?E1 ?E2)) (holdsDuring (ImmediatePastFn (WhenFn ?M1)) (located ?E1 ?P1)) (holdsDuring (ImmediateFutureFn (WhenFn ?M1)) (located ?E1 ?P2)) (holdsDuring (ImmediatePastFn (WhenFn ?M1)) (located ?E2 ?P3)) (holdsDuring (ImmediateFutureFn (WhenFn ?M1)) (located ?E2 ?P4)) (distance ?P1 ?P2 (MeasureFn ?D1 ?U)) (distance ?P3 ?P4 (MeasureFn ?D2 ?U))) (greaterThan ?D2 ?D1))	Mid-level-ontology.kif 1325-1348	If an object is an instance of lever and a process is an instance of pushing and a physical is an instance of motion and an unit of measure is an instance of unit of length and the process ends up at another object and one end of the object is the other object and one end of the object is a third object and the other object is not equal to the third object and the other object is located at the process1 holds during immediately before the time of existence of the physical and the other object is located at the process2 holds during immediately after the time of existence of the physical and the third object is located at the process3 holds during immediately before the time of existence of the physical and the third object is located at the process4 holds during immediately after the time of existence of the physical and the distance between the process1 and the process2 is a real number the unit of measure(s) and the distance between the process3 and the process4 is another real number the unit of measure(s), then the other real number is greater than the real number
(=> (instance ?L Lever) (exists (?A) (axis ?A ?L)))	Mid-level-ontology.kif 1320-1323	If an object is an instance of lever, then there exists another object such that the object is an axis of the other object

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