De-duplicate docs

Author: barneygale

Doc/library/pathlib.rst

@@ -1769,38 +1769,12 @@ Path information
    .. versionadded:: next
 
    .. method:: exists(*, follow_symlinks=True)
-
-      Return ``True`` if the path is an existing file or directory, or any
-      other kind of file; return ``False`` if the path doesn't exist.
-
-      If *follow_symlinks* is ``False``, return ``True`` for symlinks without
-      checking if their targets exist.
-
    .. method:: is_dir(*, follow_symlinks=True)
-
-      Return ``True`` if the path is a directory, or a symbolic link pointing
-      to a directory; return ``False`` if the path is (or points to) any other
-      kind of file, or if it doesn't exist.
-
-      If *follow_symlinks* is ``False``, return ``True`` only if the path
-      is a directory (without following symlinks); return ``False`` if the
-      path is any other kind of file, or if it doesn't exist.
-
    .. method:: is_file(*, follow_symlinks=True)
-
-      Return ``True`` if the path is a file, or a symbolic link pointing to
-      a file; return ``False`` if the path is (or points to) a directory or
-      other non-file, or if it doesn't exist.
-
-      If *follow_symlinks* is ``False``, return ``True`` only if the path
-      is a file (without following symlinks); return ``False`` if the path
-      is a directory or other non-file, or if it doesn't exist.
-
    .. method:: is_symlink()
 
-      Return ``True`` if the path is a symbolic link (even if broken); return
-      ``False`` if the path is a directory or any kind of file, or if it
-      doesn't exist.
+      Return cached information about the path, as in
+      :class:`pathlib.types.PathInfo`.
 
    .. method:: stat(*, follow_symlinks=True)