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Entity > Abstract > Quantity > PhysicalQuantity > ConstantQuantity > CurrencyMeasure > CentUnitedStates |
CentUnitedStates comparison table |
Subject | is an instance of | documentation | is a kind of | be first domain of | be second domain of | have axiom |
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CurrencyMeasure | A ConstantQuantity is a PhysicalQuantity which has a constant value, e.g. 3 meters and 5 hours. The magnitude (see MagnitudeFn) of every ConstantQuantity is a RealNumber. ConstantQuantities are distinguished from FunctionQuantities, which map ConstantQuantities to other ConstantQuantities. All ConstantQuantites are expressed with the BinaryFunction MeasureFn, which takes a Number and a UnitOfMeasure as arguments. For example, 3 Meters can be expressed as (MeasureFn 3 Meter). ConstantQuantities form a partial order (see PartialOrderingRelation) with the lessThan relation, since lessThan is a RelationExtendedToQuantities and lessThan is defined over the RealNumbers. The lessThan relation is not a total order (see TotalOrderingRelation) over the class ConstantQuantity since elements of some subclasses of ConstantQuantity (such as length quantities) are incomparable to elements of other subclasses of ConstantQuantity (such as mass quantities) | ConstantQuantity | MagnitudeFn | monetaryValue | (=> | |
UnitOfMeasure | A standard of measurement for some dimension. For example, the Meter is a UnitOfMeasure for the dimension of length, as is the Inch. There is no intrisic property of a UnitOfMeasure that makes it primitive or fundamental; rather, a system-of-units (e.g. SystemeInternationalUnit) defines a set of orthogonal dimensions and assigns units for each | PhysicalQuantity | SubtractionFn | MeasureFn | (=> | |
CentUnitedStates | UnitOfMeasure | A CurrencyMeasure. 1 US cent = 10^-2 US dollars | MagnitudeFn | MeasureFn | (equal |
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