l_precondition : <a href="#type-inst">inst</a></span></code></div></div><div class="odoc-spec"><div class="spec value" id="val-inst_formal" class="anchored"><a href="#val-inst_formal" class="anchor"></a><code><span><span class="keyword">val</span> inst_formal : <a href="#type-inst">inst</a></span></code></div></div><div class="odoc-spec"><div class="spec value" id="val-inst_initial" class="anchored"><a href="#val-inst_initial" class="anchor"></a><code><span><span class="keyword">val</span> inst_initial : <a