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