YES After renaming modulo { t->0, u->1, c->2, d->3, f->4, g->5, n->6, o->7 }, it remains to prove termination of the 16-rule system { 0 1 -> 0 2 3 , 3 4 -> 4 3 , 3 5 -> 1 5 , 4 1 -> 1 4 , 3 6 -> 3 , 3 7 -> 3 , 7 1 -> 1 , 6 1 ->= 1 , 4 ->= 4 6 , 0 ->= 0 2 6 , 2 6 ->= 6 2 , 2 7 ->= 7 2 , 2 7 ->= 7 , 2 4 ->= 4 2 , 2 1 ->= 1 2 , 2 3 ->= 3 2 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 2: 0 is interpreted by / \ | 1 1 | | 0 1 | \ / 1 is interpreted by / \ | 1 0 | | 0 1 | \ / 2 is interpreted by / \ | 1 0 | | 0 1 | \ / 3 is interpreted by / \ | 1 0 | | 0 1 | \ / 4 is interpreted by / \ | 1 1 | | 0 1 | \ / 5 is interpreted by / \ | 1 1 | | 0 1 | \ / 6 is interpreted by / \ | 1 0 | | 0 1 | \ / 7 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5, 6->6, 7->7 }, it remains to prove termination of the 14-rule system { 0 1 -> 0 2 3 , 3 4 -> 4 3 , 3 5 -> 1 5 , 4 1 -> 1 4 , 3 6 -> 3 , 6 1 ->= 1 , 4 ->= 4 6 , 0 ->= 0 2 6 , 2 6 ->= 6 2 , 2 7 ->= 7 2 , 2 7 ->= 7 , 2 4 ->= 4 2 , 2 1 ->= 1 2 , 2 3 ->= 3 2 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 3: 0 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 0 | \ / 1 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 2 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 3 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 1 | \ / 4 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 1 | \ / 5 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 1 0 | \ / 6 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 7 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 6->5, 7->6 }, it remains to prove termination of the 13-rule system { 0 1 -> 0 2 3 , 3 4 -> 4 3 , 4 1 -> 1 4 , 3 5 -> 3 , 5 1 ->= 1 , 4 ->= 4 5 , 0 ->= 0 2 5 , 2 5 ->= 5 2 , 2 6 ->= 6 2 , 2 6 ->= 6 , 2 4 ->= 4 2 , 2 1 ->= 1 2 , 2 3 ->= 3 2 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 2: 0 is interpreted by / \ | 1 1 | | 0 1 | \ / 1 is interpreted by / \ | 1 1 | | 0 1 | \ / 2 is interpreted by / \ | 1 0 | | 0 1 | \ / 3 is interpreted by / \ | 1 0 | | 0 1 | \ / 4 is interpreted by / \ | 1 1 | | 0 1 | \ / 5 is interpreted by / \ | 1 0 | | 0 1 | \ / 6 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 3->0, 4->1, 1->2, 5->3, 0->4, 2->5, 6->6 }, it remains to prove termination of the 12-rule system { 0 1 -> 1 0 , 1 2 -> 2 1 , 0 3 -> 0 , 3 2 ->= 2 , 1 ->= 1 3 , 4 ->= 4 5 3 , 5 3 ->= 3 5 , 5 6 ->= 6 5 , 5 6 ->= 6 , 5 1 ->= 1 5 , 5 2 ->= 2 5 , 5 0 ->= 0 5 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 3: 0 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 1 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 1 | \ / 2 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 1 1 | \ / 3 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 4 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 5 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 6 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / After renaming modulo { 0->0, 1->1, 3->2, 2->3, 4->4, 5->5, 6->6 }, it remains to prove termination of the 11-rule system { 0 1 -> 1 0 , 0 2 -> 0 , 2 3 ->= 3 , 1 ->= 1 2 , 4 ->= 4 5 2 , 5 2 ->= 2 5 , 5 6 ->= 6 5 , 5 6 ->= 6 , 5 1 ->= 1 5 , 5 3 ->= 3 5 , 5 0 ->= 0 5 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 3: 0 is interpreted by / \ | 2 0 1 | | 0 1 0 | | 0 0 1 | \ / 1 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 1 0 | \ / 2 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 3 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 4 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 5 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 6 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / After renaming modulo { 0->0, 2->1, 3->2, 1->3, 4->4, 5->5, 6->6 }, it remains to prove termination of the 10-rule system { 0 1 -> 0 , 1 2 ->= 2 , 3 ->= 3 1 , 4 ->= 4 5 1 , 5 1 ->= 1 5 , 5 6 ->= 6 5 , 5 6 ->= 6 , 5 3 ->= 3 5 , 5 2 ->= 2 5 , 5 0 ->= 0 5 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 3: 0 is interpreted by / \ | 1 0 1 | | 0 1 0 | | 0 0 0 | \ / 1 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 1 1 | \ / 2 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 3 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 4 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / 5 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 1 | \ / 6 is interpreted by / \ | 1 0 0 | | 0 1 0 | | 0 0 0 | \ / After renaming modulo { 1->0, 2->1, 3->2, 4->3, 5->4, 6->5, 0->6 }, it remains to prove termination of the 9-rule system { 0 1 ->= 1 , 2 ->= 2 0 , 3 ->= 3 4 0 , 4 0 ->= 0 4 , 4 5 ->= 5 4 , 4 5 ->= 5 , 4 2 ->= 2 4 , 4 1 ->= 1 4 , 4 6 ->= 6 4 } The system is trivially terminating.