YES After renaming modulo { t->0, f->1, c->2, n->3, o->4, s->5 }, it remains to prove termination of the 9-rule system { 0 1 -> 0 2 3 , 3 1 -> 1 3 , 4 1 -> 1 4 , 3 5 -> 1 5 , 4 5 -> 1 5 , 2 1 -> 1 2 , 2 3 -> 3 2 , 2 4 -> 4 2 , 2 4 -> 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 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 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5 }, it remains to prove termination of the 8-rule system { 0 1 -> 0 2 3 , 3 1 -> 1 3 , 4 1 -> 1 4 , 3 5 -> 1 5 , 2 1 -> 1 2 , 2 3 -> 3 2 , 2 4 -> 4 2 , 2 4 -> 4 } Applying the dependency pairs transformation. After renaming modulo { (0,true)->0, (1,false)->1, (2,false)->2, (3,false)->3, (2,true)->4, (3,true)->5, (4,true)->6, (4,false)->7, (0,false)->8, (5,false)->9 }, it remains to prove termination of the 19-rule system { 0 1 -> 0 2 3 , 0 1 -> 4 3 , 0 1 -> 5 , 5 1 -> 5 , 6 1 -> 6 , 4 1 -> 4 , 4 3 -> 5 2 , 4 3 -> 4 , 4 7 -> 6 2 , 4 7 -> 4 , 4 7 -> 6 , 8 1 ->= 8 2 3 , 3 1 ->= 1 3 , 7 1 ->= 1 7 , 3 9 ->= 1 9 , 2 1 ->= 1 2 , 2 3 ->= 3 2 , 2 7 ->= 7 2 , 2 7 ->= 7 } 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 | \ / 7 is interpreted by / \ | 1 1 | | 0 1 | \ / 8 is interpreted by / \ | 1 1 | | 0 1 | \ / 9 is interpreted by / \ | 1 1 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 5->4, 6->5, 4->6, 8->7, 7->8, 9->9 }, it remains to prove termination of the 14-rule system { 0 1 -> 0 2 3 , 4 1 -> 4 , 5 1 -> 5 , 6 1 -> 6 , 6 3 -> 4 2 , 6 3 -> 6 , 7 1 ->= 7 2 3 , 3 1 ->= 1 3 , 8 1 ->= 1 8 , 3 9 ->= 1 9 , 2 1 ->= 1 2 , 2 3 ->= 3 2 , 2 8 ->= 8 2 , 2 8 ->= 8 } 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 1 | | 0 1 | \ / 6 is interpreted by / \ | 1 1 | | 0 1 | \ / 7 is interpreted by / \ | 1 1 | | 0 1 | \ / 8 is interpreted by / \ | 1 1 | | 0 1 | \ / 9 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, 8->8, 9->9 }, it remains to prove termination of the 13-rule system { 0 1 -> 0 2 3 , 4 1 -> 4 , 5 1 -> 5 , 6 1 -> 6 , 6 3 -> 6 , 7 1 ->= 7 2 3 , 3 1 ->= 1 3 , 8 1 ->= 1 8 , 3 9 ->= 1 9 , 2 1 ->= 1 2 , 2 3 ->= 3 2 , 2 8 ->= 8 2 , 2 8 ->= 8 } 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 1 | | 0 1 | \ / 2 is interpreted by / \ | 1 0 | | 0 1 | \ / 3 is interpreted by / \ | 1 1 | | 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 | \ / 7 is interpreted by / \ | 1 0 | | 0 1 | \ / 8 is interpreted by / \ | 1 0 | | 0 1 | \ / 9 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 7->4, 8->5, 9->6 }, it remains to prove termination of the 9-rule system { 0 1 -> 0 2 3 , 4 1 ->= 4 2 3 , 3 1 ->= 1 3 , 5 1 ->= 1 5 , 3 6 ->= 1 6 , 2 1 ->= 1 2 , 2 3 ->= 3 2 , 2 5 ->= 5 2 , 2 5 ->= 5 } 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 0 1 | | 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 0 1 0 | | 0 0 1 0 | \ / 2 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 0 0 0 | | 0 0 0 0 | \ / 3 is interpreted by / \ | 1 0 1 0 | | 0 1 0 0 | | 0 0 1 0 | | 0 0 1 0 | \ / 4 is interpreted by / \ | 1 0 0 1 | | 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 0 0 0 | \ / 6 is interpreted by / \ | 1 0 0 0 | | 0 1 0 0 | | 0 1 0 0 | | 0 0 0 0 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5 }, it remains to prove termination of the 8-rule system { 0 1 -> 0 2 3 , 4 1 ->= 4 2 3 , 3 1 ->= 1 3 , 5 1 ->= 1 5 , 2 1 ->= 1 2 , 2 3 ->= 3 2 , 2 5 ->= 5 2 , 2 5 ->= 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 1 | | 0 1 | \ / 2 is interpreted by / \ | 1 1 | | 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 | \ / After renaming modulo { 0->0, 1->1, 2->2, 3->3, 4->4, 5->5 }, it remains to prove termination of the 7-rule system { 0 1 -> 0 2 3 , 4 1 ->= 4 2 3 , 3 1 ->= 1 3 , 5 1 ->= 1 5 , 2 1 ->= 1 2 , 2 3 ->= 3 2 , 2 5 ->= 5 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 0 | | 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 0 | | 0 1 | \ / 5 is interpreted by / \ | 1 0 | | 0 1 | \ / After renaming modulo { 3->0, 1->1, 5->2, 2->3 }, it remains to prove termination of the 5-rule system { 0 1 ->= 1 0 , 2 1 ->= 1 2 , 3 1 ->= 1 3 , 3 0 ->= 0 3 , 3 2 ->= 2 3 } The system is trivially terminating.