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| appearance as argument number 1 |
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| (subclass RelationExtendedToQuantities Relation) | Merge.kif 3646-3646 | Relation extended to quantities is a subclass of relation |
| (subclass RelationExtendedToQuantities InheritableRelation) | Merge.kif 3647-3647 | Relation extended to quantities is a subclass of inheritable relation |
| (documentation RelationExtendedToQuantities EnglishLanguage "A RelationExtendedToQuantities is a Relation that, when it is true on a sequence of arguments that are RealNumbers, it is also true on a sequence of instances of ConstantQuantity with those magnitudes in some unit of measure. For example, the lessThan relation is extended to quantities. This means that for all pairs of quantities ?QUANTITY1 and ?QUANTITY2, (lessThan ?QUANTITY1 ?QUANTITY2) if and only if, for some ?NUMBER1, ?NUMBER2, and ?UNIT, ?QUANTITY1 = (MeasureFn ?NUMBER1 ?UNIT), ?QUANTITY2 = (MeasureFn ?NUMBER2 ?UNIT), and (lessThan ?NUMBER1 ?NUMBER2), for all units ?UNIT on which ?QUANTITY1 and ?QUANTITY2 can be measured. Note that, when a RelationExtendedToQuantities is extended from RealNumbers to instances of ConstantQuantity, the ConstantQuantity must be measured along the same physical dimension.") | Merge.kif 3649-3661 | Relation extended to quantities is a subclass of inheritable relation |
| appearance as argument number 2 |
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| antecedent |
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| (=> (and (trichotomizingOn ?RELATION ?CLASS) (instance ?RELATION RelationExtendedToQuantities)) (forall (?INST1 ?INST2) (=> (and (instance ?INST1 ?CLASS) (instance ?INST2 ?CLASS)) (or (?RELATION ?INST1 ?INST2) (?RELATION ?INST2 ?INST1) (equal ?INST1 ?INST2))))) |
Merge.kif 3796-3808 | If X is trichotomizing on Y and X is an instance of relation extended to quantities, then For all Entities Z and W: if Z is an instance of Y and W is an instance of Y, then At least one of the following holds: (1) X Z and W (2) X W and Z (3) equal Z and W |