DOC.
5
71
and
E[,
E2
5{,
5-
••E'i
..S
I
'
The
probability
of the total
state of
the heat reservoir defined
by
these
values will
be
[12]
1
2/c
(b)
2U'
=
C\
C2'
C£e
i
E
S'
1
i
S
V
1
7^
Neither the
state
of the
environment
nor
the
state of
the
engine has
changed
during
the
process,
because the latter
underwent
a
cyclic
process.
If
we
now assume
that less
probable states
never
follow the
more
probable
ones, we
have
2H!
W
.
[13]
But
we
also
have,
according
to
the
energy
principle,
I i
i1
-ip
1 1
If
we
take
this into account, then it follows
from equations (a) and
(b)
that
i
Is.
3.
On
the
meaning
of
the constant
k
in the kinetic
theory of
atoms
[14]
Let
us
consider
a
physical
system
whose
instantaneousstate
is
completely
determined
by
the values of the
state
variables
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