extype">U</span>] to <span name="scala.Predef.Ensuring" class="extype">Ensuring</span>[<a href="" name="provingground.Context.Defn" id="provingground.Context.Defn" class="extype">Defn</a>[<span name="provingground.Context.Defn.U" class="extype">U</span>]]</h3></div><div name="scala.Predef.ArrowAssoc" class="conversion"><h3>Inherited by implicit conversion ArrowAssoc from<a href="" name="provingground.Context.Defn" id="provingground.Context.Defn" class="extype">Defn</a>[<span name="provingground.Context.Defn