pe-t">Expression.t</a> <span class="xref-unresolved">Base</span>.list</span></span></code></div></div><div class="odoc-spec"><div class="spec value" id="val-match_as_subexpr" class="anchored"><a href="#val-match_as_subexpr" class="anchor"></a><code><span><span class="keyword">val</span> match_as_subexpr : 
  <span>?lemma:<span><a href="Expression/index.html#type-t">Expression.t</a> <span class="xref-unresolved">Base</span>.option</span> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="Expression