YES Problem: and(not(not(x)),y,not(z)) -> and(y,band(x,z),x) Proof: DP Processor: DPs: and#(not(not(x)),y,not(z)) -> and#(y,band(x,z),x) TRS: and(not(not(x)),y,not(z)) -> and(y,band(x,z),x) Arctic Interpretation Processor: dimension: 1 interpretation: [and#](x0, x1, x2) = 1x0 + 2x1 + 2x2 + 0, [band](x0, x1) = 2x0 + 0, [and](x0, x1, x2) = x0 + 1x1 + 3x2 + 0, [not](x0) = 2x0 + 4 orientation: and#(not(not(x)),y,not(z)) = 5x + 2y + 4z + 7 >= 4x + 1y + 2 = and#(y,band(x,z),x) and(not(not(x)),y,not(z)) = 4x + 1y + 5z + 7 >= 3x + y + 1 = and(y,band(x,z),x) problem: DPs: TRS: and(not(not(x)),y,not(z)) -> and(y,band(x,z),x) Qed