private LispDataType boundp(LispSymbolicAtom a)
 {
     if (LispGlobals.ContainsKey(((LispSymbolicAtom)a.Evaluate(this)).Value))
     {
         return(new LispSymbolicAtom("T"));
     }
     else
     {
         return(new LispList());
     }
 }
 private LispSymbolicAtom makunbound(LispSymbolicAtom a)
 {
     LispGlobals.Remove(((LispSymbolicAtom)a.Evaluate(this)).Value);
     return(a);
 }