| http://www.w3.org/ns/prov#value | - In physics and other sciences, time is considered one of the few fundamental quantities.[2] Time is used to define other quantities ??? such as velocity ??? and defining time in terms of such quantities would result in circularity of definition.[3] An operational definition of time, wherein one says that observing a certain number of repetitions of one or another standard cyclical event (such as t
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