| http://www.w3.org/ns/prov#value | - Then you might try to be more specific without benefiting from the distance notion developed so far ...)Well, you do recognize that there are many forms of "signals", and that many of them do not travel at the "speed of light in any medium, let alone a vacuum.Since your definition of distance relies so absolutely upon the "speed of such signals, then it behooves us to be specific about these
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