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Entity > Abstract > Class > Relation > BinaryRelation > UnaryFunction > UnaryConstantFunctionQuantity > TimeDependentQuantity

TimeDependentQuantity
subject			fact

TimeDependentQuantity	documentation A UnaryConstantFunction of continuous time. All instances of this Class map a time quantity into another ConstantQuantity such as temperature. For example, 'the temperature at the top of the Empire State Building' is a TimeDependentQuantity since its value depends on the time
	has axiom (=> (instance ?FUNCTION TimeDependentQuantity) (domain ?FUNCTION 1 TimeMeasure))
	is a kind of ContinuousFunction
	is a kind of UnaryConstantFunctionQuantity
Function	is first domain of AssignmentFn
	is first domain of closedOn
	is first domain of range
	is first domain of rangeSubclass
Relation	is second domain of subrelation
PhysicalQuantity	is partitioned into ConstantQuantity, FunctionQuantity
BinaryRelation	is second domain of inverse
Class	is third domain of domain
	is third domain of domainSubclass
Abstract	is disjoint from Physical

Kinds of TimeDependentQuantity :

• ActivityMeasure (1 kind, 4 facts)
• ElectricChargeMeasure (1 kind, 6 facts)
• FrequencyMeasure (4 kinds, 19 facts)