# coding=utf-8

id = 121
name = 'is_sorted/1'
slug = 'check if list is sorted'

description = '''\
<p><code>is_sorted(L)</code>: the elements of list <code>L</code> are sorted in non-decreasing order.</p>
<pre>
  ?- is_sorted([2,3,6,8,12]).
    true.
  ?- is_sorted([2,3,1,6,5]).
    false.
</pre>'''

hint = {}