span></a>
<a class="sourceLine" id="cb8-5" data-line-number="5">fc<span class="op">$</span>implications</a>
<a class="sourceLine" id="cb8-6" data-line-number="6"><span class="co">#&gt; Rule 1: {f} -&gt; {b, d}</span></a>
<a class="sourceLine" id="cb8-7" data-line-number="7"><span class="co">#&gt; Rule 2: {e} -&gt; {b, d, f}</span></a>
<a class="sourceLine" id="cb8-8" data-line-number="8"><span class="co">#&gt; Rule 3: {d} -&gt; {b, f}</span></a>
<a class="sourceLine" id="cb8-9" data-line-number="9"><span cl