index.html#type-t">B.t</a></code></dt></dl><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span class="keyword">type</span> t</code><code> = <a href="index.html#type-real_bound">real_bound</a> * <a href="index.html#type-real_bound">real_bound</a></code></dt></dl><dl><dt class="spec value" id="val-half_space"><a href="#val-half_space" class="anchor"></a><code><span class="keyword">val</span> half_space : <span>(<a href="index.html#type-kind">kind</a> * <a href="B/index.html#