(2))
-> a
</pre></dd>

<dt><a id="assertz"><code>(assertz 'lst) -> lst</code></a></dt>
<dd>Appends a new <a href="ref.html#pilog">Pilog</a> fact or rule behind all
other rules. See also <code><a href="refB.html#be">be</a></code>, <code><a
href="refC.html#clause">clause</a></code>, <code><a
href="refA.html#asserta">asserta</a></code> and <code><a
href="refR.html#retract">retract</a></code>.

<pre>
: (be a (1))            # Define two facts
-> a
: (be a (2))
-> a

: (assertz '(a (3)))    # Append new fact at 