// Removes a literal from the belief base
public bool Remove(Literal l)
{
Literal bl = Contains(l);
if (bl != null)
{
if (l.HasSubsetAnnot(bl))
{
if (l.HasAnnot(TPercept))
{
percepts.Remove(bl);
}
bool result = bl.DelAnnots((List <ITerm>)l.GetAnnots());
return(RemoveFromEntry(bl) || result);
}
}
return(false);
}
