0.00/0.46 NO 0.00/0.47 0.00/0.47 0.00/0.47 The system was reversed. 0.00/0.47 0.00/0.47 Remains to prove termination of the 3-rule system 0.00/0.47 { a -> , 0.00/0.47 b a -> a a a c b , 0.00/0.47 c c a -> b } 0.00/0.47 0.00/0.47 0.00/0.47 Loop of length 14 starting with a string of length 6 using right expansion 0.00/0.47 and the encoding {a=a, b=b, c=c}: 0.00/0.47 0.00/0.47 .ba.aaaa 0.00/0.47 rule ba -> aaacb at position 0 0.00/0.47 .aaacb.aaaa 0.00/0.47 rule ba -> aaacb at position 4 0.00/0.47 .aaacaaacb.aaa 0.00/0.47 rule a -> at position 4 0.00/0.47 .aaacaacb.aaa 0.00/0.47 rule a -> at position 4 0.00/0.47 .aaacacb.aaa 0.00/0.47 rule a -> at position 4 0.00/0.47 .aaaccb.aaa 0.00/0.47 rule ba -> aaacb at position 5 0.00/0.47 .aaaccaaacb.aa 0.00/0.47 rule cca -> b at position 3 0.00/0.47 .aaabaacb.aa 0.00/0.47 rule ba -> aaacb at position 7 0.00/0.47 .aaabaacaaacb.a 0.00/0.47 rule a -> at position 7 0.00/0.47 .aaabaacaacb.a 0.00/0.47 rule a -> at position 7 0.00/0.47 .aaabaacacb.a 0.00/0.47 rule a -> at position 7 0.00/0.47 .aaabaaccb.a 0.00/0.47 rule ba -> aaacb at position 8 0.00/0.47 .aaabaaccaaacb. 0.00/0.47 rule cca -> b at position 6 0.00/0.47 .aaabaabaacb. 0.00/0.47 rule ba -> aaacb at position 6 0.00/0.47 .aaabaaaaacbacb. 0.00/0.50 EOF