According to Aristotle, it is the number of motion. By number, one does not mean the number by which you count but the number belonging to the thing counted. It is past and future, since the present doesn't have any duration.
2007-01-14 09:52:38
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answer #1
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answered by checkhead 2
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If a Green's function exists for the differential operator describing a physical system, then it's the parameter of that Green's function. Not all physical systems describable by a differential operator has associated with it a Green's function, so that time wouldn't exist in those cases.
The reason why we happen to have time is because of all possible causal universes, those permitting existence of such Green's functions are much more probable, because "more such solutions exists". Causality does not automatically imply time, since time as a parameter requires certain conditions, such as well-behaved manifolds and ordering, and yet casuality is possible even in absence of such time. Casuality thence is more fundamental than time. Physicists believe that chaotic sub-Planckian protospacetimes can stochastically give rise to approximately well-behaved manifolds with ordering. These concepts fits well with multiverse theories.
Hope that helps.
2007-01-13 16:09:58
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answer #2
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answered by Scythian1950 7
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There are two categories to answer your question.
1. The movement of the earth around the sun the 24 hours span.
2. The past, the present and the future, the frame that our mind has created in our life.
Maybe these could meet your expectation.
2007-01-13 15:27:00
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answer #3
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answered by ol's one 3
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The phenomenon in question is a necessary dimensional part of the universe through which change can be measured. it is the medium (so to speak) through which the energy in the universe is expended, and once all this energy is equalized throughout the universe, the phenomenon is no longer needed (as change is no longer occurring) and will cease to exist.
2007-01-13 14:51:46
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answer #4
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answered by David W 3
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A point of view through which mortal man categorizes many events, which (many) events are also perceivable through an immortal point of view as being a single event, which (many) events individually categorized as previous to or after the respective point of view-event are also individually perceivable by mortal man through an immortal view from the positioned perspective of any particular point of view-event included in the sum of all the events.
2007-01-16 12:11:22
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answer #5
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answered by Anonymous
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It is the mechanism by which the universe breaks things down in little pieces so our mortal brains can comprehend events without being overwhelmed with everything all at once.
2007-01-14 17:57:20
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answer #6
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answered by Sereny 3
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Change defines time....... if there is no change whatsoever, there is no time...... events bring change and string of events produce intervals which we measure with respect to the most regular oscillating change we observe, namely, day and night. Our heart beat or pulse rate would have been the other reference.
2007-01-13 14:34:01
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answer #7
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answered by small 7
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its a way that we humans all over the world use to determine when you do business.. and also when your in business you don't wanna call someone when its 12am in the morning.. and vice versa.. this is why they made all of the Time Zones... oh sorry i used time and again.. oh well
2007-01-13 15:24:02
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answer #8
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answered by Anonymous
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a measurement between a period of space to fill a massive distorted void known as a reality
2007-01-17 13:40:21
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answer #9
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answered by crimsion king 2
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This thing all things devours,
Birds, beasts, trees, flowers,
Gnaws iron, bites steel,
Grinds hard bones to meal,
Slays king, ruins town,
And beats high mountain down.
2007-01-14 06:04:01
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answer #10
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answered by A Shameless Pedant 2
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