="alectryon-wsp">
</span></span><span class="alectryon-wsp">    </span><span class="alectryon-sentence"><span class="alectryon-input">apply (and.elim_left H),</span><span class="alectryon-wsp">
</span></span><span class="alectryon-wsp">  </span><span class="alectryon-sentence"><span class="alectryon-input">}
<span class="kd">end</span></span></span></pre><p>Most features available for Coq are also available for Lean3; in particular, references (<a class="alectryon-mref reference internal" href="#literate-le