0.00/0.47 NO 0.00/0.48 0.00/0.48 0.00/0.48 The system was reversed. 0.00/0.48 0.00/0.48 Remains to prove termination of the 4-rule system 0.00/0.48 { a -> , 0.00/0.48 a -> b , 0.00/0.48 c b a -> a a b c c , 0.00/0.48 c -> } 0.00/0.48 0.00/0.48 0.00/0.48 Loop of length 11 starting with a string of length 8 using right expansion 0.00/0.48 and the encoding {a=a, b=b, c=c}: 0.00/0.48 0.00/0.48 .cba.babaa 0.00/0.48 rule cba -> aabcc at position 0 0.00/0.48 .aabcc.babaa 0.00/0.48 rule cba -> aabcc at position 4 0.00/0.48 .aabcaabcc.baa 0.00/0.48 rule a -> b at position 4 0.00/0.48 .aabcbabcc.baa 0.00/0.48 rule cba -> aabcc at position 8 0.00/0.48 .aabcbabcaabcc.a 0.00/0.48 rule a -> b at position 8 0.00/0.48 .aabcbabcbabcc.a 0.00/0.48 rule cba -> aabcc at position 7 0.00/0.48 .aabcbabaabccbcc.a 0.00/0.48 rule a -> at position 7 0.00/0.48 .aabcbababccbcc.a 0.00/0.48 rule c -> at position 9 0.00/0.48 .aabcbababcbcc.a 0.00/0.48 rule c -> at position 11 0.00/0.48 .aabcbababcbc.a 0.00/0.48 rule c -> at position 11 0.00/0.48 .aabcbababcb.a 0.00/0.48 rule cba -> aabcc at position 9 0.00/0.48 .aabcbababaabcc. 0.00/0.51 EOF