Which arrow is fundamental?
How are the different physical time arrows related? Is there one 'master arrow' that gives rise to the others. The two main candidates - the cosmological and thermodynamic arrows - are considered below.

 

 
Immediately related elementsHow this works
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The Arrow of Time  »The Arrow of Time 
The physics of time »The physics of time
Which arrow is fundamental?
Other arrows »Other arrows
Cosmological arrow is basic »Cosmological arrow is basic
Thermodynamic arrow is basic »Thermodynamic arrow is basic
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