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-----Original Message-----
From: phys-l-bounces@carnot.physics.buffalo.edu [mailto:phys-l-
bounces@carnot.physics.buffalo.edu] On Behalf Of John Denker
In any case, this allows us to interpret an equation such as
dE = p dV - T dS [2]
as a _vector_ equation.
Note that the RHS of equation [2] has a work-related term and
a heat-related term.
Therefore I'm suggesting a shift in emphasis. Rather than
emphasizing "transfer variable", IMHO it is more helpful to
emphasize "vector". Once you realize that T dS is a vector,
there's a lot you can do with it.