YES
0 QTRS
↳1 QTRSRRRProof (⇔, 0 ms)
↳2 QTRS
↳3 RisEmptyProof (⇔, 0 ms)
↳4 YES
.(.(x, y), z) → .(x, .(y, z))
With this ordering the following rules can be removed by the rule removal processor [LPAR04] because they are oriented strictly:
POL(.(x1, x2)) = 1 + 2·x1 + x2
.(.(x, y), z) → .(x, .(y, z))