
  <span><span class="xref-unresolved">Z3</span>.context <span class="arrow">&#45;&gt;</span></span>
  <span><span><span>(<span class="xref-unresolved">Z3</span>.FuncDecl.func_decl * <span class="xref-unresolved">Z3</span>.Symbol.symbol)</span> list</span> <span class="arrow">&#45;&gt;</span></span>
  <span class="xref-unresolved">Z3</span>.Solver.status</span></code></div><div class="spec-doc"><p><code>check_external</code> invokes an external smt solver as a process. It communicates to the process via a f