On 15.03.2012 22:58 Russell Standish said the following:
On Thu, Mar 15, 2012 at 07:25:01PM +0100, Evgenii Rudnyi wrote:
On 14.03.2012 23:34 Russell Standish said the following:
On Wed, Mar 14, 2012 at 07:51:13PM +0100, Evgenii Rudnyi wrote:

Then the thermodynamic entropy is subjective. Try to convince in
this engineers who develop engines, or chemists who compute
equilibria, and see what happens.

I take Denbigh&   Denbigh's position that entropy is not subjective, but
rather fixed by convention. Conventions can be entirely
objective. This should assuage those engineers you speak of.

Could you please explain a bit more what you mean? What does it mean
to fix something by convention?


We take certain macro variables as thermodynamic state variables,
rather than others. A Laplace daemon would not agree with that.

Its better explained in Denbigh&  Denbigh, but Brent Meeker has also
been making the same point.


Do you mean that the Laplace deamon would not agree with the Second Law?


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