ot1">
digraph G {
  
  subgraph clusterAll {
  style = "invis"
  
  subgraph clusterThis {
  style="invis"
  node0 [URL="#inheritance-diagram-container", label="SP", id="graph1_0", class="this class", tooltip="provingground.translation.MathExpr.SP (this class)"] ;
}
  
  
  
}
  
  
  node1 [URL="MathExpr.html#inheritance-diagram-container", label="SententialPhrase", id="graph1_1", class="default", tooltip="provingground.translation.MathExpr"] ;
  node2 [label="Product", id="graph1_2", class="default", tool