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appearance as argument number 1

(documentation relativeAngle EnglishLanguage "(relativeAngle ?O1 ?O2 ?MEASURE) means that the two-dimensional geometric angle formed by ?O1 and ?O2 has ?MEASURE.")	Merge.kif 17608-17609
(documentation relativeAngle EnglishLanguage "One end of an object, which is the smallest part of an object that is the longest distance from the other end.")	Merge.kif 17667-17669
(domain relativeAngle 1 Object)	Merge.kif 17605-17605
(domain relativeAngle 2 Object)	Merge.kif 17606-17606
(domain relativeAngle 3 RealNumber)	Merge.kif 17607-17607
(instance relativeAngle TernaryPredicate)	Merge.kif 17603-17603
(instance relativeAngle TotalValuedRelation)	Merge.kif 17604-17604

appearance as argument number 2

(format EnglishLanguage relativeAngle "the relative angle between %1 and %2 is %3")	Merge.kif 17611-17611
(termFormat EnglishLanguage relativeAngle "relative angle")	Merge.kif 17610-17610

antecedent

(=> (and (relativeAngle ?O1 ?O2 ?N) (physicalEnd ?E1 ?O1) (physicalEnd ?E2 ?O1) (not (equal ?E1 ?E2)) (length ?O1 (MeasureFn ?N1 ?U)) (length ?O2 (MeasureFn ?N2 ?U)) (distance ?E1 ?E3 (MeasureFn ?N3 ?U)) (physicalEnd ?E3 ?O2) (physicalEnd ?E4 ?O2) (not (equal ?E3 ?E4)) (not (meetsSpatially ?E1 ?E3))) (equal ?N (ArcCosineFn (DivisionFn (SubtractionFn (SubtractionFn (MultiplicationFn ?N3 ?N3) (MultiplicationFn ?N1 ?N1)) (MultiplicationFn ?N2 ?N2)) (MultiplicationFn 2.0 (MultiplicationFn ?N1 ?N2))))))	Merge.kif 17637-17662
(=> (relativeAngle ?L1 ?L2 ?M) (and (instance ?L1 Object) (attribute ?L1 LongAndThin) (instance ?L2 Object) (attribute ?L2 LongAndThin) (connected ?L1 ?L2) (not (equal ?L1 ?L2))))	Merge.kif 17625-17634

consequent

(=>
    (and
        (instance ?L1 Object)
        (attribute ?L1 LongAndThin)
        (instance ?L2 Object)
        (attribute ?L2 LongAndThin)
        (connected ?L1 ?L2)
        (not
            (equal ?L1 ?L2)))
    (exists (?M)
        (relativeAngle ?L1 ?L2 ?M)))

Merge.kif 17613-17623