YES After renaming modulo { r->0, e->1, w->2, i->3, t->4 }, it remains to prove termination of the 7-rule system { 0 1 -> 2 0 , 3 4 -> 1 0 , 1 2 -> 0 3 , 4 1 -> 0 1 , 2 0 -> 3 4 , 1 0 -> 1 2 , 0 3 4 1 0 -> 1 2 0 3 4 1 } 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 2 | | 0 1 | \ / 1 is interpreted by / \ | 1 1 | | 0 1 | \ / 2 is interpreted by / \ | 1 1 | | 0 1 | \ / 3 is interpreted by / \ | 1 0 | | 0 1 | \ / 4 is interpreted by / \ | 1 3 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4 }, it remains to prove termination of the 5-rule system { 0 1 -> 2 0 , 3 4 -> 1 0 , 1 2 -> 0 3 , 2 0 -> 3 4 , 0 3 4 1 0 -> 1 2 0 3 4 1 } Applying the dependency pairs transformation. After renaming modulo { (0,true)->0, (1,false)->1, (2,true)->2, (0,false)->3, (3,true)->4, (4,false)->5, (1,true)->6, (2,false)->7, (3,false)->8 }, it remains to prove termination of the 17-rule system { 0 1 -> 2 3 , 0 1 -> 0 , 4 5 -> 6 3 , 4 5 -> 0 , 6 7 -> 0 8 , 6 7 -> 4 , 2 3 -> 4 5 , 0 8 5 1 3 -> 6 7 3 8 5 1 , 0 8 5 1 3 -> 2 3 8 5 1 , 0 8 5 1 3 -> 0 8 5 1 , 0 8 5 1 3 -> 4 5 1 , 0 8 5 1 3 -> 6 , 3 1 ->= 7 3 , 8 5 ->= 1 3 , 1 7 ->= 3 8 , 7 3 ->= 8 5 , 3 8 5 1 3 ->= 1 7 3 8 5 1 } 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 2 | | 0 1 | \ / 1 is interpreted by / \ | 1 1 | | 0 1 | \ / 2 is interpreted by / \ | 1 1 | | 0 1 | \ / 3 is interpreted by / \ | 1 2 | | 0 1 | \ / 4 is interpreted by / \ | 1 0 | | 0 1 | \ / 5 is interpreted by / \ | 1 3 | | 0 1 | \ / 6 is interpreted by / \ | 1 1 | | 0 1 | \ / 7 is interpreted by / \ | 1 1 | | 0 1 | \ / 8 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5, 6->6, 7->7, 8->8 }, it remains to prove termination of the 10-rule system { 0 1 -> 2 3 , 4 5 -> 6 3 , 6 7 -> 0 8 , 2 3 -> 4 5 , 0 8 5 1 3 -> 6 7 3 8 5 1 , 3 1 ->= 7 3 , 8 5 ->= 1 3 , 1 7 ->= 3 8 , 7 3 ->= 8 5 , 3 8 5 1 3 ->= 1 7 3 8 5 1 } The system was filtered by the following matrix interpretation of type E_J with J = {1,...,2} and dimension 4: 0 is interpreted by / \ | 1 0 1 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 1 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 1 0 0 | | 0 0 0 0 | \ / 2 is interpreted by / \ | 1 0 1 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 3 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 1 0 0 | | 0 0 0 0 | \ / 4 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 5 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 1 0 0 | \ / 6 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 7 is interpreted by / \ | 1 0 0 1 | | 0 1 0 0 | | 0 1 0 0 | | 0 0 0 0 | \ / 8 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 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, 7->7, 8->8 }, it remains to prove termination of the 8-rule system { 0 1 -> 2 3 , 4 5 -> 6 3 , 6 7 -> 0 8 , 3 1 ->= 7 3 , 8 5 ->= 1 3 , 1 7 ->= 3 8 , 7 3 ->= 8 5 , 3 8 5 1 3 ->= 1 7 3 8 5 1 } 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 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 0 | | 0 1 | \ / 7 is interpreted by / \ | 1 0 | | 0 1 | \ / 8 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 6->4, 7->5, 8->6, 5->7 }, it remains to prove termination of the 7-rule system { 0 1 -> 2 3 , 4 5 -> 0 6 , 3 1 ->= 5 3 , 6 7 ->= 1 3 , 1 5 ->= 3 6 , 5 3 ->= 6 7 , 3 6 7 1 3 ->= 1 5 3 6 7 1 } 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 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 0 | | 0 1 | \ / 7 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 5->4, 6->5, 7->6 }, it remains to prove termination of the 6-rule system { 0 1 -> 2 3 , 3 1 ->= 4 3 , 5 6 ->= 1 3 , 1 4 ->= 3 5 , 4 3 ->= 5 6 , 3 5 6 1 3 ->= 1 4 3 5 6 1 } 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 0 | | 0 1 | \ / 5 is interpreted by / \ | 1 0 | | 0 1 | \ / 6 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 3->0, 1->1, 4->2, 5->3, 6->4 }, it remains to prove termination of the 5-rule system { 0 1 ->= 2 0 , 3 4 ->= 1 0 , 1 2 ->= 0 3 , 2 0 ->= 3 4 , 0 3 4 1 0 ->= 1 2 0 3 4 1 } The system is trivially terminating.