0.00/0.29 NO 0.00/0.29 0.00/0.29 0.00/0.29 The system was reversed. 0.00/0.29 0.00/0.29 Remains to prove termination of the 6-rule system 0.00/0.29 { c c a -> a c c , 0.00/0.29 b b a -> a b b , 0.00/0.29 c a a -> a b b , 0.00/0.29 a c b -> c c a , 0.00/0.29 a c a ->= b c a , 0.00/0.29 a a b ->= a a a } 0.00/0.29 0.00/0.29 0.00/0.29 Loop of length 8 starting with a string of length 8 using right expansion 0.00/0.29 and the encoding {a=b, b=c, c=a}: 0.00/0.29 0.00/0.29 .aab.abbbb 0.00/0.29 rule aab -> baa at position 0 0.00/0.29 .baa.abbbb 0.00/0.29 rule aab -> baa at position 2 0.00/0.29 .babaa.bbb 0.00/0.29 rule abb -> bcc at position 4 0.00/0.29 .bababcc.b 0.00/0.29 rule ccb -> bcc at position 5 0.00/0.29 .bababbcc. 0.00/0.29 rule bbc ->= bbb at position 4 0.00/0.29 .bababbbc. 0.00/0.29 rule bab ->= cab at position 2 0.00/0.29 .bacabbbc. 0.00/0.29 rule bac -> aab at position 0 0.00/0.29 .aababbbc. 0.00/0.29 rule bbc ->= bbb at position 5 0.00/0.29 .aababbbb. 0.00/0.34 EOF