0.00/0.28 NO 0.00/0.28 0.00/0.28 0.00/0.28 The system was reversed. 0.00/0.28 0.00/0.28 Remains to prove termination of the 1-rule system 0.00/0.28 { b a a a a -> a a a a b b a } 0.00/0.28 0.00/0.28 0.00/0.28 Loop of length 16 starting with a string of length 17 using right expansion 0.00/0.28 and the encoding {a=b, b=a}: 0.00/0.28 0.00/0.28 .abbbb.bbbbbbbbbbbb 0.00/0.28 rule abbbb -> bbbbaab at position 0 0.00/0.28 .bbbbaab.bbbbbbbbbbbb 0.00/0.28 rule abbbb -> bbbbaab at position 5 0.00/0.28 .bbbbabbbbaab.bbbbbbbbb 0.00/0.28 rule abbbb -> bbbbaab at position 10 0.00/0.28 .bbbbabbbbabbbbaab.bbbbbb 0.00/0.28 rule abbbb -> bbbbaab at position 9 0.00/0.28 .bbbbabbbbbbbbaabaab.bbbbbb 0.00/0.28 rule abbbb -> bbbbaab at position 17 0.00/0.28 .bbbbabbbbbbbbaababbbbaab.bbb 0.00/0.28 rule abbbb -> bbbbaab at position 16 0.00/0.28 .bbbbabbbbbbbbaabbbbbaabaab.bbb 0.00/0.28 rule abbbb -> bbbbaab at position 14 0.00/0.28 .bbbbabbbbbbbbabbbbaabbaabaab.bbb 0.00/0.28 rule abbbb -> bbbbaab at position 13 0.00/0.28 .bbbbabbbbbbbbbbbbaabaabbaabaab.bbb 0.00/0.28 rule abbbb -> bbbbaab at position 28 0.00/0.28 .bbbbabbbbbbbbbbbbaabaabbaababbbbaab. 0.00/0.28 rule abbbb -> bbbbaab at position 27 0.00/0.28 .bbbbabbbbbbbbbbbbaabaabbaabbbbbaabaab. 0.00/0.28 rule abbbb -> bbbbaab at position 25 0.00/0.28 .bbbbabbbbbbbbbbbbaabaabbabbbbaabbaabaab. 0.00/0.28 rule abbbb -> bbbbaab at position 24 0.00/0.28 .bbbbabbbbbbbbbbbbaabaabbbbbbaabaabbaabaab. 0.00/0.28 rule abbbb -> bbbbaab at position 21 0.00/0.28 .bbbbabbbbbbbbbbbbaababbbbaabbbaabaabbaabaab. 0.00/0.28 rule abbbb -> bbbbaab at position 20 0.00/0.28 .bbbbabbbbbbbbbbbbaabbbbbaabaabbbaabaabbaabaab. 0.00/0.28 rule abbbb -> bbbbaab at position 18 0.00/0.28 .bbbbabbbbbbbbbbbbabbbbaabbaabaabbbaabaabbaabaab. 0.00/0.28 rule abbbb -> bbbbaab at position 17 0.00/0.28 .bbbbabbbbbbbbbbbbbbbbaabaabbaabaabbbaabaabbaabaab. 0.00/0.31 EOF