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) Usable Rule Processor: DPs: and#(not(not(x)),y,not(z)) -> and#(y,band(x,z),x) TRS: Arctic Interpretation Processor: dimension: 1 usable rules: interpretation: [and#](x0, x1, x2) = -7x0 + x1 + -2x2, [band](x0, x1) = x1, [not](x0) = 3x0 orientation: and#(not(not(x)),y,not(z)) = -1x + y + 1z >= -2x + -7y + z = and#(y,band(x,z),x) problem: DPs: TRS: Qed