0.00/0.56 YES 1.56/0.59 1.56/0.59 1.56/0.59 The system was inverted. 1.56/0.59 1.56/0.59 Remains to prove termination of the 6-rule system 1.56/0.59 { a a c -> a c c , 1.56/0.59 b b c -> a b b , 1.56/0.59 c c b ->= a c a , 1.56/0.59 b a c ->= c a c , 1.56/0.59 c b c ->= b b b , 1.56/0.59 b b a ->= b a c } 1.56/0.59 1.56/0.59 1.56/0.59 Applying context closure of depth 1 in the following form: System R over Sigma 1.56/0.59 maps to { fold(xly) -> fold(xry) | l -> r in R, x,y in Sigma } over Sigma^2, 1.56/0.59 where fold(a_1,...,a_n) = (a_1,a_2)...(a_{n-1}a_{n}) 1.56/0.59 1.56/0.59 Remains to prove termination of the 54-rule system 1.56/0.59 { [a, a] [a, c] [c, c] [c, a] -> [a, a] [a, a] [a, c] [c, a] , 1.56/0.59 [a, a] [a, b] [b, b] [b, a] -> [a, b] [b, b] [b, c] [c, a] , 1.56/0.59 [a, a] [a, c] [c, a] [a, a] ->= [a, c] [c, c] [c, b] [b, a] , 1.56/0.59 [a, c] [c, a] [a, c] [c, a] ->= [a, b] [b, a] [a, c] [c, a] , 1.56/0.59 [a, b] [b, b] [b, b] [b, a] ->= [a, c] [c, b] [b, c] [c, a] , 1.56/0.59 [a, b] [b, a] [a, c] [c, a] ->= [a, b] [b, b] [b, a] [a, a] , 1.56/0.59 [a, a] [a, c] [c, c] [c, c] -> [a, a] [a, a] [a, c] [c, c] , 1.56/0.59 [a, a] [a, b] [b, b] [b, c] -> [a, b] [b, b] [b, c] [c, c] , 1.56/0.59 [a, a] [a, c] [c, a] [a, c] ->= [a, c] [c, c] [c, b] [b, c] , 1.56/0.59 [a, c] [c, a] [a, c] [c, c] ->= [a, b] [b, a] [a, c] [c, c] , 1.56/0.59 [a, b] [b, b] [b, b] [b, c] ->= [a, c] [c, b] [b, c] [c, c] , 1.56/0.59 [a, b] [b, a] [a, c] [c, c] ->= [a, b] [b, b] [b, a] [a, c] , 1.56/0.59 [a, a] [a, c] [c, c] [c, b] -> [a, a] [a, a] [a, c] [c, b] , 1.56/0.59 [a, a] [a, b] [b, b] [b, b] -> [a, b] [b, b] [b, c] [c, b] , 1.56/0.59 [a, a] [a, c] [c, a] [a, b] ->= [a, c] [c, c] [c, b] [b, b] , 1.56/0.59 [a, c] [c, a] [a, c] [c, b] ->= [a, b] [b, a] [a, c] [c, b] , 1.56/0.59 [a, b] [b, b] [b, b] [b, b] ->= [a, c] [c, b] [b, c] [c, b] , 1.56/0.59 [a, b] [b, a] [a, c] [c, b] ->= [a, b] [b, b] [b, a] [a, b] , 1.56/0.59 [c, a] [a, c] [c, c] [c, a] -> [c, a] [a, a] [a, c] [c, a] , 1.56/0.59 [c, a] [a, b] [b, b] [b, a] -> [c, b] [b, b] [b, c] [c, a] , 1.56/0.59 [c, a] [a, c] [c, a] [a, a] ->= [c, c] [c, c] [c, b] [b, a] , 1.56/0.59 [c, c] [c, a] [a, c] [c, a] ->= [c, b] [b, a] [a, c] [c, a] , 1.56/0.59 [c, b] [b, b] [b, b] [b, a] ->= [c, c] [c, b] [b, c] [c, a] , 1.56/0.59 [c, b] [b, a] [a, c] [c, a] ->= [c, b] [b, b] [b, a] [a, a] , 1.56/0.59 [c, a] [a, c] [c, c] [c, c] -> [c, a] [a, a] [a, c] [c, c] , 1.56/0.59 [c, a] [a, b] [b, b] [b, c] -> [c, b] [b, b] [b, c] [c, c] , 1.56/0.59 [c, a] [a, c] [c, a] [a, c] ->= [c, c] [c, c] [c, b] [b, c] , 1.56/0.59 [c, c] [c, a] [a, c] [c, c] ->= [c, b] [b, a] [a, c] [c, c] , 1.56/0.59 [c, b] [b, b] [b, b] [b, c] ->= [c, c] [c, b] [b, c] [c, c] , 1.56/0.59 [c, b] [b, a] [a, c] [c, c] ->= [c, b] [b, b] [b, a] [a, c] , 1.56/0.59 [c, a] [a, c] [c, c] [c, b] -> [c, a] [a, a] [a, c] [c, b] , 1.56/0.59 [c, a] [a, b] [b, b] [b, b] -> [c, b] [b, b] [b, c] [c, b] , 1.56/0.59 [c, a] [a, c] [c, a] [a, b] ->= [c, c] [c, c] [c, b] [b, b] , 1.56/0.59 [c, c] [c, a] [a, c] [c, b] ->= [c, b] [b, a] [a, c] [c, b] , 1.56/0.59 [c, b] [b, b] [b, b] [b, b] ->= [c, c] [c, b] [b, c] [c, b] , 1.56/0.59 [c, b] [b, a] [a, c] [c, b] ->= [c, b] [b, b] [b, a] [a, b] , 1.56/0.59 [b, a] [a, c] [c, c] [c, a] -> [b, a] [a, a] [a, c] [c, a] , 1.56/0.59 [b, a] [a, b] [b, b] [b, a] -> [b, b] [b, b] [b, c] [c, a] , 1.56/0.59 [b, a] [a, c] [c, a] [a, a] ->= [b, c] [c, c] [c, b] [b, a] , 1.56/0.59 [b, c] [c, a] [a, c] [c, a] ->= [b, b] [b, a] [a, c] [c, a] , 1.56/0.59 [b, b] [b, b] [b, b] [b, a] ->= [b, c] [c, b] [b, c] [c, a] , 1.56/0.59 [b, b] [b, a] [a, c] [c, a] ->= [b, b] [b, b] [b, a] [a, a] , 1.56/0.59 [b, a] [a, c] [c, c] [c, c] -> [b, a] [a, a] [a, c] [c, c] , 1.56/0.59 [b, a] [a, b] [b, b] [b, c] -> [b, b] [b, b] [b, c] [c, c] , 1.56/0.59 [b, a] [a, c] [c, a] [a, c] ->= [b, c] [c, c] [c, b] [b, c] , 1.56/0.59 [b, c] [c, a] [a, c] [c, c] ->= [b, b] [b, a] [a, c] [c, c] , 1.56/0.59 [b, b] [b, b] [b, b] [b, c] ->= [b, c] [c, b] [b, c] [c, c] , 1.56/0.59 [b, b] [b, a] [a, c] [c, c] ->= [b, b] [b, b] [b, a] [a, c] , 1.56/0.59 [b, a] [a, c] [c, c] [c, b] -> [b, a] [a, a] [a, c] [c, b] , 1.56/0.59 [b, a] [a, b] [b, b] [b, b] -> [b, b] [b, b] [b, c] [c, b] , 1.56/0.59 [b, a] [a, c] [c, a] [a, b] ->= [b, c] [c, c] [c, b] [b, b] , 1.56/0.59 [b, c] [c, a] [a, c] [c, b] ->= [b, b] [b, a] [a, c] [c, b] , 1.56/0.59 [b, b] [b, b] [b, b] [b, b] ->= [b, c] [c, b] [b, c] [c, b] , 1.56/0.59 [b, b] [b, a] [a, c] [c, b] ->= [b, b] [b, b] [b, a] [a, b] } 1.56/0.59 1.56/0.59 1.56/0.59 1.56/0.59 The system was filtered by the following matrix interpretation 1.56/0.59 of type E_J with J = {1,...,2} and dimension 2: 1.56/0.59 1.56/0.59 [a, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [a, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 1 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [c, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [c, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [a, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 1 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [b, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [b, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [b, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [c, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 1.56/0.59 Remains to prove termination of the 37-rule system 1.56/0.59 { [a, a] [a, c] [c, c] [c, a] -> [a, a] [a, a] [a, c] [c, a] , 1.56/0.59 [a, a] [a, b] [b, b] [b, a] -> [a, b] [b, b] [b, c] [c, a] , 1.56/0.59 [a, a] [a, c] [c, a] [a, a] ->= [a, c] [c, c] [c, b] [b, a] , 1.56/0.59 [a, c] [c, a] [a, c] [c, a] ->= [a, b] [b, a] [a, c] [c, a] , 1.56/0.59 [a, b] [b, b] [b, b] [b, a] ->= [a, c] [c, b] [b, c] [c, a] , 1.56/0.59 [a, a] [a, c] [c, c] [c, c] -> [a, a] [a, a] [a, c] [c, c] , 1.56/0.59 [a, a] [a, b] [b, b] [b, c] -> [a, b] [b, b] [b, c] [c, c] , 1.56/0.59 [a, c] [c, a] [a, c] [c, c] ->= [a, b] [b, a] [a, c] [c, c] , 1.56/0.59 [a, b] [b, b] [b, b] [b, c] ->= [a, c] [c, b] [b, c] [c, c] , 1.56/0.59 [a, b] [b, a] [a, c] [c, c] ->= [a, b] [b, b] [b, a] [a, c] , 1.56/0.59 [a, a] [a, c] [c, c] [c, b] -> [a, a] [a, a] [a, c] [c, b] , 1.56/0.59 [a, a] [a, b] [b, b] [b, b] -> [a, b] [b, b] [b, c] [c, b] , 1.56/0.59 [a, c] [c, a] [a, c] [c, b] ->= [a, b] [b, a] [a, c] [c, b] , 1.56/0.59 [a, b] [b, b] [b, b] [b, b] ->= [a, c] [c, b] [b, c] [c, b] , 1.56/0.59 [a, b] [b, a] [a, c] [c, b] ->= [a, b] [b, b] [b, a] [a, b] , 1.56/0.59 [c, a] [a, c] [c, c] [c, a] -> [c, a] [a, a] [a, c] [c, a] , 1.56/0.59 [c, c] [c, a] [a, c] [c, a] ->= [c, b] [b, a] [a, c] [c, a] , 1.56/0.59 [c, b] [b, b] [b, b] [b, a] ->= [c, c] [c, b] [b, c] [c, a] , 1.56/0.59 [c, a] [a, c] [c, c] [c, c] -> [c, a] [a, a] [a, c] [c, c] , 1.56/0.59 [c, c] [c, a] [a, c] [c, c] ->= [c, b] [b, a] [a, c] [c, c] , 1.56/0.59 [c, b] [b, b] [b, b] [b, c] ->= [c, c] [c, b] [b, c] [c, c] , 1.56/0.59 [c, b] [b, a] [a, c] [c, c] ->= [c, b] [b, b] [b, a] [a, c] , 1.56/0.59 [c, a] [a, c] [c, c] [c, b] -> [c, a] [a, a] [a, c] [c, b] , 1.56/0.59 [c, c] [c, a] [a, c] [c, b] ->= [c, b] [b, a] [a, c] [c, b] , 1.56/0.59 [c, b] [b, b] [b, b] [b, b] ->= [c, c] [c, b] [b, c] [c, b] , 1.56/0.59 [c, b] [b, a] [a, c] [c, b] ->= [c, b] [b, b] [b, a] [a, b] , 1.56/0.59 [b, a] [a, c] [c, c] [c, a] -> [b, a] [a, a] [a, c] [c, a] , 1.56/0.59 [b, c] [c, a] [a, c] [c, a] ->= [b, b] [b, a] [a, c] [c, a] , 1.56/0.59 [b, b] [b, b] [b, b] [b, a] ->= [b, c] [c, b] [b, c] [c, a] , 1.56/0.59 [b, a] [a, c] [c, c] [c, c] -> [b, a] [a, a] [a, c] [c, c] , 1.56/0.59 [b, c] [c, a] [a, c] [c, c] ->= [b, b] [b, a] [a, c] [c, c] , 1.56/0.59 [b, b] [b, b] [b, b] [b, c] ->= [b, c] [c, b] [b, c] [c, c] , 1.56/0.59 [b, b] [b, a] [a, c] [c, c] ->= [b, b] [b, b] [b, a] [a, c] , 1.56/0.59 [b, a] [a, c] [c, c] [c, b] -> [b, a] [a, a] [a, c] [c, b] , 1.56/0.59 [b, c] [c, a] [a, c] [c, b] ->= [b, b] [b, a] [a, c] [c, b] , 1.56/0.59 [b, b] [b, b] [b, b] [b, b] ->= [b, c] [c, b] [b, c] [c, b] , 1.56/0.59 [b, b] [b, a] [a, c] [c, b] ->= [b, b] [b, b] [b, a] [a, b] } 1.56/0.59 1.56/0.59 1.56/0.59 The system was filtered by the following matrix interpretation 1.56/0.59 of type E_J with J = {1,...,2} and dimension 2: 1.56/0.59 1.56/0.59 [a, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 1 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [a, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 1 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [c, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 1 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [c, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 1 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [a, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [b, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 1 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [b, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [b, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 [c, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 | 1.56/0.59 | 0 1 | 1.56/0.59 \ / 1.56/0.59 1.56/0.59 Remains to prove termination of the 24-rule system 1.56/0.59 { [a, a] [a, c] [c, c] [c, a] -> [a, a] [a, a] [a, c] [c, a] , 1.56/0.59 [a, a] [a, b] [b, b] [b, a] -> [a, b] [b, b] [b, c] [c, a] , 1.56/0.59 [a, b] [b, b] [b, b] [b, a] ->= [a, c] [c, b] [b, c] [c, a] , 1.56/0.59 [a, a] [a, c] [c, c] [c, c] -> [a, a] [a, a] [a, c] [c, c] , 1.56/0.59 [a, a] [a, b] [b, b] [b, c] -> [a, b] [b, b] [b, c] [c, c] , 1.56/0.59 [a, b] [b, b] [b, b] [b, c] ->= [a, c] [c, b] [b, c] [c, c] , 1.56/0.59 [a, b] [b, a] [a, c] [c, c] ->= [a, b] [b, b] [b, a] [a, c] , 1.56/0.59 [a, a] [a, c] [c, c] [c, b] -> [a, a] [a, a] [a, c] [c, b] , 1.56/0.59 [a, b] [b, a] [a, c] [c, b] ->= [a, b] [b, b] [b, a] [a, b] , 1.56/0.59 [c, a] [a, c] [c, c] [c, a] -> [c, a] [a, a] [a, c] [c, a] , 1.56/0.59 [c, b] [b, b] [b, b] [b, a] ->= [c, c] [c, b] [b, c] [c, a] , 1.56/0.59 [c, a] [a, c] [c, c] [c, c] -> [c, a] [a, a] [a, c] [c, c] , 1.56/0.59 [c, b] [b, b] [b, b] [b, c] ->= [c, c] [c, b] [b, c] [c, c] , 1.56/0.59 [c, b] [b, a] [a, c] [c, c] ->= [c, b] [b, b] [b, a] [a, c] , 1.56/0.59 [c, a] [a, c] [c, c] [c, b] -> [c, a] [a, a] [a, c] [c, b] , 1.56/0.59 [c, b] [b, a] [a, c] [c, b] ->= [c, b] [b, b] [b, a] [a, b] , 1.56/0.59 [b, a] [a, c] [c, c] [c, a] -> [b, a] [a, a] [a, c] [c, a] , 1.56/0.59 [b, c] [c, a] [a, c] [c, a] ->= [b, b] [b, a] [a, c] [c, a] , 1.56/0.59 [b, a] [a, c] [c, c] [c, c] -> [b, a] [a, a] [a, c] [c, c] , 1.56/0.59 [b, c] [c, a] [a, c] [c, c] ->= [b, b] [b, a] [a, c] [c, c] , 1.56/0.59 [b, b] [b, a] [a, c] [c, c] ->= [b, b] [b, b] [b, a] [a, c] , 1.56/0.59 [b, a] [a, c] [c, c] [c, b] -> [b, a] [a, a] [a, c] [c, b] , 1.56/0.59 [b, c] [c, a] [a, c] [c, b] ->= [b, b] [b, a] [a, c] [c, b] , 1.56/0.59 [b, b] [b, a] [a, c] [c, b] ->= [b, b] [b, b] [b, a] [a, b] } 1.56/0.59 1.56/0.59 1.56/0.59 The system was filtered by the following matrix interpretation 1.56/0.59 of type E_J with J = {1,...,2} and dimension 5: 1.56/0.59 1.56/0.59 [a, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [a, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [c, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [c, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [a, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [b, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 1 0 | 1.56/0.59 | 0 0 0 0 1 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [b, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [b, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [c, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 1 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 1.56/0.59 Remains to prove termination of the 23-rule system 1.56/0.59 { [a, a] [a, c] [c, c] [c, a] -> [a, a] [a, a] [a, c] [c, a] , 1.56/0.59 [a, a] [a, b] [b, b] [b, a] -> [a, b] [b, b] [b, c] [c, a] , 1.56/0.59 [a, b] [b, b] [b, b] [b, a] ->= [a, c] [c, b] [b, c] [c, a] , 1.56/0.59 [a, a] [a, c] [c, c] [c, c] -> [a, a] [a, a] [a, c] [c, c] , 1.56/0.59 [a, a] [a, b] [b, b] [b, c] -> [a, b] [b, b] [b, c] [c, c] , 1.56/0.59 [a, b] [b, b] [b, b] [b, c] ->= [a, c] [c, b] [b, c] [c, c] , 1.56/0.59 [a, b] [b, a] [a, c] [c, c] ->= [a, b] [b, b] [b, a] [a, c] , 1.56/0.59 [a, a] [a, c] [c, c] [c, b] -> [a, a] [a, a] [a, c] [c, b] , 1.56/0.59 [a, b] [b, a] [a, c] [c, b] ->= [a, b] [b, b] [b, a] [a, b] , 1.56/0.59 [c, a] [a, c] [c, c] [c, a] -> [c, a] [a, a] [a, c] [c, a] , 1.56/0.59 [c, b] [b, b] [b, b] [b, a] ->= [c, c] [c, b] [b, c] [c, a] , 1.56/0.59 [c, a] [a, c] [c, c] [c, c] -> [c, a] [a, a] [a, c] [c, c] , 1.56/0.59 [c, b] [b, a] [a, c] [c, c] ->= [c, b] [b, b] [b, a] [a, c] , 1.56/0.59 [c, a] [a, c] [c, c] [c, b] -> [c, a] [a, a] [a, c] [c, b] , 1.56/0.59 [c, b] [b, a] [a, c] [c, b] ->= [c, b] [b, b] [b, a] [a, b] , 1.56/0.59 [b, a] [a, c] [c, c] [c, a] -> [b, a] [a, a] [a, c] [c, a] , 1.56/0.59 [b, c] [c, a] [a, c] [c, a] ->= [b, b] [b, a] [a, c] [c, a] , 1.56/0.59 [b, a] [a, c] [c, c] [c, c] -> [b, a] [a, a] [a, c] [c, c] , 1.56/0.59 [b, c] [c, a] [a, c] [c, c] ->= [b, b] [b, a] [a, c] [c, c] , 1.56/0.59 [b, b] [b, a] [a, c] [c, c] ->= [b, b] [b, b] [b, a] [a, c] , 1.56/0.59 [b, a] [a, c] [c, c] [c, b] -> [b, a] [a, a] [a, c] [c, b] , 1.56/0.59 [b, c] [c, a] [a, c] [c, b] ->= [b, b] [b, a] [a, c] [c, b] , 1.56/0.59 [b, b] [b, a] [a, c] [c, b] ->= [b, b] [b, b] [b, a] [a, b] } 1.56/0.59 1.56/0.59 1.56/0.59 The system was filtered by the following matrix interpretation 1.56/0.59 of type E_J with J = {1,...,2} and dimension 5: 1.56/0.59 1.56/0.59 [a, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 1 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 2 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [a, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [c, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [c, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [a, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 1 0 1 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [b, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 1 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [b, a] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [b, c] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 \ / 1.56/0.59 [c, b] is interpreted by 1.56/0.59 / \ 1.56/0.59 | 1 0 0 0 0 | 1.56/0.59 | 0 1 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 | 0 0 0 0 0 | 1.56/0.59 \ / 1.56/0.59 1.56/0.59 Remains to prove termination of the 21-rule system 1.56/0.59 { [a, a] [a, c] [c, c] [c, a] -> [a, a] [a, a] [a, c] [c, a] , 1.56/0.59 [a, b] [b, b] [b, b] [b, a] ->= [a, c] [c, b] [b, c] [c, a] , 1.56/0.59 [a, a] [a, c] [c, c] [c, c] -> [a, a] [a, a] [a, c] [c, c] , 1.56/0.59 [a, b] [b, b] [b, b] [b, c] ->= [a, c] [c, b] [b, c] [c, c] , 1.56/0.60 [a, b] [b, a] [a, c] [c, c] ->= [a, b] [b, b] [b, a] [a, c] , 1.56/0.60 [a, a] [a, c] [c, c] [c, b] -> [a, a] [a, a] [a, c] [c, b] , 1.56/0.60 [a, b] [b, a] [a, c] [c, b] ->= [a, b] [b, b] [b, a] [a, b] , 1.56/0.60 [c, a] [a, c] [c, c] [c, a] -> [c, a] [a, a] [a, c] [c, a] , 1.56/0.60 [c, b] [b, b] [b, b] [b, a] ->= [c, c] [c, b] [b, c] [c, a] , 1.56/0.60 [c, a] [a, c] [c, c] [c, c] -> [c, a] [a, a] [a, c] [c, c] , 1.56/0.60 [c, b] [b, a] [a, c] [c, c] ->= [c, b] [b, b] [b, a] [a, c] , 1.56/0.60 [c, a] [a, c] [c, c] [c, b] -> [c, a] [a, a] [a, c] [c, b] , 1.56/0.60 [c, b] [b, a] [a, c] [c, b] ->= [c, b] [b, b] [b, a] [a, b] , 1.56/0.60 [b, a] [a, c] [c, c] [c, a] -> [b, a] [a, a] [a, c] [c, a] , 1.56/0.60 [b, c] [c, a] [a, c] [c, a] ->= [b, b] [b, a] [a, c] [c, a] , 1.56/0.60 [b, a] [a, c] [c, c] [c, c] -> [b, a] [a, a] [a, c] [c, c] , 1.56/0.60 [b, c] [c, a] [a, c] [c, c] ->= [b, b] [b, a] [a, c] [c, c] , 1.56/0.60 [b, b] [b, a] [a, c] [c, c] ->= [b, b] [b, b] [b, a] [a, c] , 1.56/0.60 [b, a] [a, c] [c, c] [c, b] -> [b, a] [a, a] [a, c] [c, b] , 1.56/0.60 [b, c] [c, a] [a, c] [c, b] ->= [b, b] [b, a] [a, c] [c, b] , 1.56/0.60 [b, b] [b, a] [a, c] [c, b] ->= [b, b] [b, b] [b, a] [a, b] } 1.56/0.60 1.56/0.60 1.56/0.60 The system was filtered by the following matrix interpretation 1.56/0.60 of type E_J with J = {1,...,2} and dimension 2: 1.56/0.60 1.56/0.60 [a, a] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 0 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [a, c] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 1 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [c, c] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 1 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [c, a] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 1 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [a, b] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 0 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [b, b] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 1 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [b, a] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 0 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [b, c] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 0 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 [c, b] is interpreted by 1.56/0.60 / \ 1.56/0.60 | 1 0 | 1.56/0.60 | 0 1 | 1.56/0.60 \ / 1.56/0.60 1.56/0.60 Remains to prove termination of the 12-rule system 1.56/0.60 { [a, b] [b, b] [b, b] [b, a] ->= [a, c] [c, b] [b, c] [c, a] , 1.56/0.60 [a, b] [b, b] [b, b] [b, c] ->= [a, c] [c, b] [b, c] [c, c] , 1.56/0.60 [a, b] [b, a] [a, c] [c, c] ->= [a, b] [b, b] [b, a] [a, c] , 1.56/0.60 [a, b] [b, a] [a, c] [c, b] ->= [a, b] [b, b] [b, a] [a, b] , 1.56/0.60 [c, b] [b, b] [b, b] [b, a] ->= [c, c] [c, b] [b, c] [c, a] , 1.56/0.60 [c, b] [b, a] [a, c] [c, c] ->= [c, b] [b, b] [b, a] [a, c] , 1.56/0.60 [c, b] [b, a] [a, c] [c, b] ->= [c, b] [b, b] [b, a] [a, b] , 1.56/0.60 [b, c] [c, a] [a, c] [c, a] ->= [b, b] [b, a] [a, c] [c, a] , 1.56/0.60 [b, c] [c, a] [a, c] [c, c] ->= [b, b] [b, a] [a, c] [c, c] , 1.56/0.60 [b, b] [b, a] [a, c] [c, c] ->= [b, b] [b, b] [b, a] [a, c] , 1.56/0.60 [b, c] [c, a] [a, c] [c, b] ->= [b, b] [b, a] [a, c] [c, b] , 1.56/0.60 [b, b] [b, a] [a, c] [c, b] ->= [b, b] [b, b] [b, a] [a, b] } 1.56/0.60 1.56/0.60 1.56/0.60 The system is trivially terminating. 1.63/0.62 EOF