YES Problem: 0(*(x1)) -> *(1(x1)) 1(*(x1)) -> 0(#(x1)) #(0(x1)) -> 0(#(x1)) #(1(x1)) -> 1(#(x1)) #($(x1)) -> *($(x1)) #(#(x1)) -> #(x1) #(*(x1)) -> *(x1) Proof: Arctic Interpretation Processor: dimension: 1 interpretation: [$](x0) = 8x0, [#](x0) = 8x0, [1](x0) = 8x0, [0](x0) = 8x0, [*](x0) = 8x0 orientation: 0(*(x1)) = 16x1 >= 16x1 = *(1(x1)) 1(*(x1)) = 16x1 >= 16x1 = 0(#(x1)) #(0(x1)) = 16x1 >= 16x1 = 0(#(x1)) #(1(x1)) = 16x1 >= 16x1 = 1(#(x1)) #($(x1)) = 16x1 >= 16x1 = *($(x1)) #(#(x1)) = 16x1 >= 8x1 = #(x1) #(*(x1)) = 16x1 >= 8x1 = *(x1) problem: 0(*(x1)) -> *(1(x1)) 1(*(x1)) -> 0(#(x1)) #(0(x1)) -> 0(#(x1)) #(1(x1)) -> 1(#(x1)) #($(x1)) -> *($(x1)) KBO Processor: weight function: w0 = 1 w($) = w(#) = w(1) = w(0) = w(*) = 1 precedence: # > 1 > 0 > $ ~ * problem: Qed