# File Automaten.rb, line 820
        def FirstSets
                firstString = String.new
                @grammar.getRules.each_value do |x| 
                        links = x.getSymbol
                        tmpMenge = Menge.new(x.getAlts)
                        tmpMenge.each do |i| 
                                firstString = firstString + links.to_s+" -> "+i.to_s+" "+FIRST(i.to_s,nil).to_s + "\n"
                        end
                end
                return firstString
        end