  <span><span><a href="../Prop/index.html#type-exposed">Prop.exposed</a> <a href="../Prop/index.html#type-t">Prop.t</a></span> <span class="arrow">&#45;&gt;</span></span>
  bool</span></code></div><div class="spec-doc"><p><code>check_implication p1 p2</code> returns true if <code>p1|-p2</code></p></div></div><div class="odoc-spec"><div class="spec type" id="type-check" class="anchored"><a href="#type-check" class="anchor"></a><code><span><span class="keyword">type</span> check</span><span> = </span></code><