●In Mathematical analysis:
The
of a
of
s is the
which can be found
:
the first
of the
in order to
the "first
." Then
the first
of the first
in order to
the "second
." Repeat the
of first
s in order to
a "third
," "fourth
," etc. Find the
of each of these
, then find the
of
these
. This
is the
.