YES Problem: +(0(),0()) -> 0() +(0(),1()) -> 1() +(0(),2()) -> 2() +(0(),3()) -> 3() +(0(),4()) -> 4() +(0(),5()) -> 5() +(0(),6()) -> 6() +(0(),7()) -> 7() +(0(),8()) -> 8() +(0(),9()) -> 9() +(1(),0()) -> 1() +(1(),1()) -> 2() +(1(),2()) -> 3() +(1(),3()) -> 4() +(1(),4()) -> 5() +(1(),5()) -> 6() +(1(),6()) -> 7() +(1(),7()) -> 8() +(1(),8()) -> 9() +(1(),9()) -> c(1(),0()) +(2(),0()) -> 2() +(2(),1()) -> 3() +(2(),2()) -> 4() +(2(),3()) -> 5() +(2(),4()) -> 6() +(2(),5()) -> 7() +(2(),6()) -> 8() +(2(),7()) -> 9() +(2(),8()) -> c(1(),0()) +(2(),9()) -> c(1(),1()) +(3(),0()) -> 3() +(3(),1()) -> 4() +(3(),2()) -> 5() +(3(),3()) -> 6() +(3(),4()) -> 7() +(3(),5()) -> 8() +(3(),6()) -> 9() +(3(),7()) -> c(1(),0()) +(3(),8()) -> c(1(),1()) +(3(),9()) -> c(1(),2()) +(4(),0()) -> 4() +(4(),1()) -> 5() +(4(),2()) -> 6() +(4(),3()) -> 7() +(4(),4()) -> 8() +(4(),5()) -> 9() +(4(),6()) -> c(1(),0()) +(4(),7()) -> c(1(),1()) +(4(),8()) -> c(1(),2()) +(4(),9()) -> c(1(),3()) +(5(),0()) -> 5() +(5(),1()) -> 6() +(5(),2()) -> 7() +(5(),3()) -> 8() +(5(),4()) -> 9() +(5(),5()) -> c(1(),0()) +(5(),6()) -> c(1(),1()) +(5(),7()) -> c(1(),2()) +(5(),8()) -> c(1(),3()) +(5(),9()) -> c(1(),4()) +(6(),0()) -> 6() +(6(),1()) -> 7() +(6(),2()) -> 8() +(6(),3()) -> 9() +(6(),4()) -> c(1(),0()) +(6(),5()) -> c(1(),1()) +(6(),6()) -> c(1(),2()) +(6(),7()) -> c(1(),3()) +(6(),8()) -> c(1(),4()) +(6(),9()) -> c(1(),5()) +(7(),0()) -> 7() +(7(),1()) -> 8() +(7(),2()) -> 9() +(7(),3()) -> c(1(),0()) +(7(),4()) -> c(1(),1()) +(7(),5()) -> c(1(),2()) +(7(),6()) -> c(1(),3()) +(7(),7()) -> c(1(),4()) +(7(),8()) -> c(1(),5()) +(7(),9()) -> c(1(),6()) +(8(),0()) -> 8() +(8(),1()) -> 9() +(8(),2()) -> c(1(),0()) +(8(),3()) -> c(1(),1()) +(8(),4()) -> c(1(),2()) +(8(),5()) -> c(1(),3()) +(8(),6()) -> c(1(),4()) +(8(),7()) -> c(1(),5()) +(8(),8()) -> c(1(),6()) +(8(),9()) -> c(1(),7()) +(9(),0()) -> 9() +(9(),1()) -> c(1(),0()) +(9(),2()) -> c(1(),1()) +(9(),3()) -> c(1(),2()) +(9(),4()) -> c(1(),3()) +(9(),5()) -> c(1(),4()) +(9(),6()) -> c(1(),5()) +(9(),7()) -> c(1(),6()) +(9(),8()) -> c(1(),7()) +(9(),9()) -> c(1(),8()) +(x,c(y,z)) -> c(y,+(x,z)) +(c(x,y),z) -> c(x,+(y,z)) c(0(),x) -> x c(x,c(y,z)) -> c(+(x,y),z) Proof: DP Processor: DPs: +#(1(),9()) -> c#(1(),0()) +#(2(),8()) -> c#(1(),0()) +#(2(),9()) -> c#(1(),1()) +#(3(),7()) -> c#(1(),0()) +#(3(),8()) -> c#(1(),1()) +#(3(),9()) -> c#(1(),2()) +#(4(),6()) -> c#(1(),0()) +#(4(),7()) -> c#(1(),1()) +#(4(),8()) -> c#(1(),2()) +#(4(),9()) -> c#(1(),3()) +#(5(),5()) -> c#(1(),0()) +#(5(),6()) -> c#(1(),1()) +#(5(),7()) -> c#(1(),2()) +#(5(),8()) -> c#(1(),3()) +#(5(),9()) -> c#(1(),4()) +#(6(),4()) -> c#(1(),0()) +#(6(),5()) -> c#(1(),1()) +#(6(),6()) -> c#(1(),2()) +#(6(),7()) -> c#(1(),3()) +#(6(),8()) -> c#(1(),4()) +#(6(),9()) -> c#(1(),5()) +#(7(),3()) -> c#(1(),0()) +#(7(),4()) -> c#(1(),1()) +#(7(),5()) -> c#(1(),2()) +#(7(),6()) -> c#(1(),3()) +#(7(),7()) -> c#(1(),4()) +#(7(),8()) -> c#(1(),5()) +#(7(),9()) -> c#(1(),6()) +#(8(),2()) -> c#(1(),0()) +#(8(),3()) -> c#(1(),1()) +#(8(),4()) -> c#(1(),2()) +#(8(),5()) -> c#(1(),3()) +#(8(),6()) -> c#(1(),4()) +#(8(),7()) -> c#(1(),5()) +#(8(),8()) -> c#(1(),6()) +#(8(),9()) -> c#(1(),7()) +#(9(),1()) -> c#(1(),0()) +#(9(),2()) -> c#(1(),1()) +#(9(),3()) -> c#(1(),2()) +#(9(),4()) -> c#(1(),3()) +#(9(),5()) -> c#(1(),4()) +#(9(),6()) -> c#(1(),5()) +#(9(),7()) -> c#(1(),6()) +#(9(),8()) -> c#(1(),7()) +#(9(),9()) -> c#(1(),8()) +#(x,c(y,z)) -> +#(x,z) +#(x,c(y,z)) -> c#(y,+(x,z)) +#(c(x,y),z) -> +#(y,z) +#(c(x,y),z) -> c#(x,+(y,z)) c#(x,c(y,z)) -> +#(x,y) c#(x,c(y,z)) -> c#(+(x,y),z) TRS: +(0(),0()) -> 0() +(0(),1()) -> 1() +(0(),2()) -> 2() +(0(),3()) -> 3() +(0(),4()) -> 4() +(0(),5()) -> 5() +(0(),6()) -> 6() +(0(),7()) -> 7() +(0(),8()) -> 8() +(0(),9()) -> 9() +(1(),0()) -> 1() +(1(),1()) -> 2() +(1(),2()) -> 3() +(1(),3()) -> 4() +(1(),4()) -> 5() +(1(),5()) -> 6() +(1(),6()) -> 7() +(1(),7()) -> 8() +(1(),8()) -> 9() +(1(),9()) -> c(1(),0()) +(2(),0()) -> 2() +(2(),1()) -> 3() +(2(),2()) -> 4() +(2(),3()) -> 5() +(2(),4()) -> 6() +(2(),5()) -> 7() +(2(),6()) -> 8() +(2(),7()) -> 9() +(2(),8()) -> c(1(),0()) +(2(),9()) -> c(1(),1()) +(3(),0()) -> 3() +(3(),1()) -> 4() +(3(),2()) -> 5() +(3(),3()) -> 6() +(3(),4()) -> 7() +(3(),5()) -> 8() +(3(),6()) -> 9() +(3(),7()) -> c(1(),0()) +(3(),8()) -> c(1(),1()) +(3(),9()) -> c(1(),2()) +(4(),0()) -> 4() +(4(),1()) -> 5() +(4(),2()) -> 6() +(4(),3()) -> 7() +(4(),4()) -> 8() +(4(),5()) -> 9() +(4(),6()) -> c(1(),0()) +(4(),7()) -> c(1(),1()) +(4(),8()) -> c(1(),2()) +(4(),9()) -> c(1(),3()) +(5(),0()) -> 5() +(5(),1()) -> 6() +(5(),2()) -> 7() +(5(),3()) -> 8() +(5(),4()) -> 9() +(5(),5()) -> c(1(),0()) +(5(),6()) -> c(1(),1()) +(5(),7()) -> c(1(),2()) +(5(),8()) -> c(1(),3()) +(5(),9()) -> c(1(),4()) +(6(),0()) -> 6() +(6(),1()) -> 7() +(6(),2()) -> 8() +(6(),3()) -> 9() +(6(),4()) -> c(1(),0()) +(6(),5()) -> c(1(),1()) +(6(),6()) -> c(1(),2()) +(6(),7()) -> c(1(),3()) +(6(),8()) -> c(1(),4()) +(6(),9()) -> c(1(),5()) +(7(),0()) -> 7() +(7(),1()) -> 8() +(7(),2()) -> 9() +(7(),3()) -> c(1(),0()) +(7(),4()) -> c(1(),1()) +(7(),5()) -> c(1(),2()) +(7(),6()) -> c(1(),3()) +(7(),7()) -> c(1(),4()) +(7(),8()) -> c(1(),5()) +(7(),9()) -> c(1(),6()) +(8(),0()) -> 8() +(8(),1()) -> 9() +(8(),2()) -> c(1(),0()) +(8(),3()) -> c(1(),1()) +(8(),4()) -> c(1(),2()) +(8(),5()) -> c(1(),3()) +(8(),6()) -> c(1(),4()) +(8(),7()) -> c(1(),5()) +(8(),8()) -> c(1(),6()) +(8(),9()) -> c(1(),7()) +(9(),0()) -> 9() +(9(),1()) -> c(1(),0()) +(9(),2()) -> c(1(),1()) +(9(),3()) -> c(1(),2()) +(9(),4()) -> c(1(),3()) +(9(),5()) -> c(1(),4()) +(9(),6()) -> c(1(),5()) +(9(),7()) -> c(1(),6()) +(9(),8()) -> c(1(),7()) +(9(),9()) -> c(1(),8()) +(x,c(y,z)) -> c(y,+(x,z)) +(c(x,y),z) -> c(x,+(y,z)) c(0(),x) -> x c(x,c(y,z)) -> c(+(x,y),z) Matrix Interpretation Processor: dim=2 interpretation: [c#](x0, x1) = [0 1]x0 + [0 1]x1, [+#](x0, x1) = [0 1]x0 + [0 2]x1, [0 0] [0] [c](x0, x1) = [0 2]x0 + x1 + [2], [0] [9] = [1], [1] [8] = [1], [1] [7] = [1], [0] [6] = [1], [0] [5] = [1], [0] [4] = [0], [0] [3] = [0], [0] [2] = [0], [0] [1] = [0], [0 0] [1 2] [1] [+](x0, x1) = [0 1]x0 + [0 1]x1 + [1], [1] [0] = [0] orientation: +#(1(),9()) = 2 >= 0 = c#(1(),0()) +#(2(),8()) = 2 >= 0 = c#(1(),0()) +#(2(),9()) = 2 >= 0 = c#(1(),1()) +#(3(),7()) = 2 >= 0 = c#(1(),0()) +#(3(),8()) = 2 >= 0 = c#(1(),1()) +#(3(),9()) = 2 >= 0 = c#(1(),2()) +#(4(),6()) = 2 >= 0 = c#(1(),0()) +#(4(),7()) = 2 >= 0 = c#(1(),1()) +#(4(),8()) = 2 >= 0 = c#(1(),2()) +#(4(),9()) = 2 >= 0 = c#(1(),3()) +#(5(),5()) = 3 >= 0 = c#(1(),0()) +#(5(),6()) = 3 >= 0 = c#(1(),1()) +#(5(),7()) = 3 >= 0 = c#(1(),2()) +#(5(),8()) = 3 >= 0 = c#(1(),3()) +#(5(),9()) = 3 >= 0 = c#(1(),4()) +#(6(),4()) = 1 >= 0 = c#(1(),0()) +#(6(),5()) = 3 >= 0 = c#(1(),1()) +#(6(),6()) = 3 >= 0 = c#(1(),2()) +#(6(),7()) = 3 >= 0 = c#(1(),3()) +#(6(),8()) = 3 >= 0 = c#(1(),4()) +#(6(),9()) = 3 >= 1 = c#(1(),5()) +#(7(),3()) = 1 >= 0 = c#(1(),0()) +#(7(),4()) = 1 >= 0 = c#(1(),1()) +#(7(),5()) = 3 >= 0 = c#(1(),2()) +#(7(),6()) = 3 >= 0 = c#(1(),3()) +#(7(),7()) = 3 >= 0 = c#(1(),4()) +#(7(),8()) = 3 >= 1 = c#(1(),5()) +#(7(),9()) = 3 >= 1 = c#(1(),6()) +#(8(),2()) = 1 >= 0 = c#(1(),0()) +#(8(),3()) = 1 >= 0 = c#(1(),1()) +#(8(),4()) = 1 >= 0 = c#(1(),2()) +#(8(),5()) = 3 >= 0 = c#(1(),3()) +#(8(),6()) = 3 >= 0 = c#(1(),4()) +#(8(),7()) = 3 >= 1 = c#(1(),5()) +#(8(),8()) = 3 >= 1 = c#(1(),6()) +#(8(),9()) = 3 >= 1 = c#(1(),7()) +#(9(),1()) = 1 >= 0 = c#(1(),0()) +#(9(),2()) = 1 >= 0 = c#(1(),1()) +#(9(),3()) = 1 >= 0 = c#(1(),2()) +#(9(),4()) = 1 >= 0 = c#(1(),3()) +#(9(),5()) = 3 >= 0 = c#(1(),4()) +#(9(),6()) = 3 >= 1 = c#(1(),5()) +#(9(),7()) = 3 >= 1 = c#(1(),6()) +#(9(),8()) = 3 >= 1 = c#(1(),7()) +#(9(),9()) = 3 >= 1 = c#(1(),8()) +#(x,c(y,z)) = [0 1]x + [0 4]y + [0 2]z + [4] >= [0 1]x + [0 2]z = +#(x,z) +#(x,c(y,z)) = [0 1]x + [0 4]y + [0 2]z + [4] >= [0 1]x + [0 1]y + [0 1]z + [1] = c#(y,+(x,z)) +#(c(x,y),z) = [0 2]x + [0 1]y + [0 2]z + [2] >= [0 1]y + [0 2]z = +#(y,z) +#(c(x,y),z) = [0 2]x + [0 1]y + [0 2]z + [2] >= [0 1]x + [0 1]y + [0 1]z + [1] = c#(x,+(y,z)) c#(x,c(y,z)) = [0 1]x + [0 2]y + [0 1]z + [2] >= [0 1]x + [0 2]y = +#(x,y) c#(x,c(y,z)) = [0 1]x + [0 2]y + [0 1]z + [2] >= [0 1]x + [0 1]y + [0 1]z + [1] = c#(+(x,y),z) [2] [1] +(0(),0()) = [1] >= [0] = 0() [1] [0] +(0(),1()) = [1] >= [0] = 1() [1] [0] +(0(),2()) = [1] >= [0] = 2() [1] [0] +(0(),3()) = [1] >= [0] = 3() [1] [0] +(0(),4()) = [1] >= [0] = 4() [3] [0] +(0(),5()) = [2] >= [1] = 5() [3] [0] +(0(),6()) = [2] >= [1] = 6() [4] [1] +(0(),7()) = [2] >= [1] = 7() [4] [1] +(0(),8()) = [2] >= [1] = 8() [3] [0] +(0(),9()) = [2] >= [1] = 9() [2] [0] +(1(),0()) = [1] >= [0] = 1() [1] [0] +(1(),1()) = [1] >= [0] = 2() [1] [0] +(1(),2()) = [1] >= [0] = 3() [1] [0] +(1(),3()) = [1] >= [0] = 4() [1] [0] +(1(),4()) = [1] >= [1] = 5() [3] [0] +(1(),5()) = [2] >= [1] = 6() [3] [1] +(1(),6()) = [2] >= [1] = 7() [4] [1] +(1(),7()) = [2] >= [1] = 8() [4] [0] +(1(),8()) = [2] >= [1] = 9() [3] [1] +(1(),9()) = [2] >= [2] = c(1(),0()) [2] [0] +(2(),0()) = [1] >= [0] = 2() [1] [0] +(2(),1()) = [1] >= [0] = 3() [1] [0] +(2(),2()) = [1] >= [0] = 4() [1] [0] +(2(),3()) = [1] >= [1] = 5() [1] [0] +(2(),4()) = [1] >= [1] = 6() [3] [1] +(2(),5()) = [2] >= [1] = 7() [3] [1] +(2(),6()) = [2] >= [1] = 8() [4] [0] +(2(),7()) = [2] >= [1] = 9() [4] [1] +(2(),8()) = [2] >= [2] = c(1(),0()) [3] [0] +(2(),9()) = [2] >= [2] = c(1(),1()) [2] [0] +(3(),0()) = [1] >= [0] = 3() [1] [0] +(3(),1()) = [1] >= [0] = 4() [1] [0] +(3(),2()) = [1] >= [1] = 5() [1] [0] +(3(),3()) = [1] >= [1] = 6() [1] [1] +(3(),4()) = [1] >= [1] = 7() [3] [1] +(3(),5()) = [2] >= [1] = 8() [3] [0] +(3(),6()) = [2] >= [1] = 9() [4] [1] +(3(),7()) = [2] >= [2] = c(1(),0()) [4] [0] +(3(),8()) = [2] >= [2] = c(1(),1()) [3] [0] +(3(),9()) = [2] >= [2] = c(1(),2()) [2] [0] +(4(),0()) = [1] >= [0] = 4() [1] [0] +(4(),1()) = [1] >= [1] = 5() [1] [0] +(4(),2()) = [1] >= [1] = 6() [1] [1] +(4(),3()) = [1] >= [1] = 7() [1] [1] +(4(),4()) = [1] >= [1] = 8() [3] [0] +(4(),5()) = [2] >= [1] = 9() [3] [1] +(4(),6()) = [2] >= [2] = c(1(),0()) [4] [0] +(4(),7()) = [2] >= [2] = c(1(),1()) [4] [0] +(4(),8()) = [2] >= [2] = c(1(),2()) [3] [0] +(4(),9()) = [2] >= [2] = c(1(),3()) [2] [0] +(5(),0()) = [2] >= [1] = 5() [1] [0] +(5(),1()) = [2] >= [1] = 6() [1] [1] +(5(),2()) = [2] >= [1] = 7() [1] [1] +(5(),3()) = [2] >= [1] = 8() [1] [0] +(5(),4()) = [2] >= [1] = 9() [3] [1] +(5(),5()) = [3] >= [2] = c(1(),0()) [3] [0] +(5(),6()) = [3] >= [2] = c(1(),1()) [4] [0] +(5(),7()) = [3] >= [2] = c(1(),2()) [4] [0] +(5(),8()) = [3] >= [2] = c(1(),3()) [3] [0] +(5(),9()) = [3] >= [2] = c(1(),4()) [2] [0] +(6(),0()) = [2] >= [1] = 6() [1] [1] +(6(),1()) = [2] >= [1] = 7() [1] [1] +(6(),2()) = [2] >= [1] = 8() [1] [0] +(6(),3()) = [2] >= [1] = 9() [1] [1] +(6(),4()) = [2] >= [2] = c(1(),0()) [3] [0] +(6(),5()) = [3] >= [2] = c(1(),1()) [3] [0] +(6(),6()) = [3] >= [2] = c(1(),2()) [4] [0] +(6(),7()) = [3] >= [2] = c(1(),3()) [4] [0] +(6(),8()) = [3] >= [2] = c(1(),4()) [3] [0] +(6(),9()) = [3] >= [3] = c(1(),5()) [2] [1] +(7(),0()) = [2] >= [1] = 7() [1] [1] +(7(),1()) = [2] >= [1] = 8() [1] [0] +(7(),2()) = [2] >= [1] = 9() [1] [1] +(7(),3()) = [2] >= [2] = c(1(),0()) [1] [0] +(7(),4()) = [2] >= [2] = c(1(),1()) [3] [0] +(7(),5()) = [3] >= [2] = c(1(),2()) [3] [0] +(7(),6()) = [3] >= [2] = c(1(),3()) [4] [0] +(7(),7()) = [3] >= [2] = c(1(),4()) [4] [0] +(7(),8()) = [3] >= [3] = c(1(),5()) [3] [0] +(7(),9()) = [3] >= [3] = c(1(),6()) [2] [1] +(8(),0()) = [2] >= [1] = 8() [1] [0] +(8(),1()) = [2] >= [1] = 9() [1] [1] +(8(),2()) = [2] >= [2] = c(1(),0()) [1] [0] +(8(),3()) = [2] >= [2] = c(1(),1()) [1] [0] +(8(),4()) = [2] >= [2] = c(1(),2()) [3] [0] +(8(),5()) = [3] >= [2] = c(1(),3()) [3] [0] +(8(),6()) = [3] >= [2] = c(1(),4()) [4] [0] +(8(),7()) = [3] >= [3] = c(1(),5()) [4] [0] +(8(),8()) = [3] >= [3] = c(1(),6()) [3] [1] +(8(),9()) = [3] >= [3] = c(1(),7()) [2] [0] +(9(),0()) = [2] >= [1] = 9() [1] [1] +(9(),1()) = [2] >= [2] = c(1(),0()) [1] [0] +(9(),2()) = [2] >= [2] = c(1(),1()) [1] [0] +(9(),3()) = [2] >= [2] = c(1(),2()) [1] [0] +(9(),4()) = [2] >= [2] = c(1(),3()) [3] [0] +(9(),5()) = [3] >= [2] = c(1(),4()) [3] [0] +(9(),6()) = [3] >= [3] = c(1(),5()) [4] [0] +(9(),7()) = [3] >= [3] = c(1(),6()) [4] [1] +(9(),8()) = [3] >= [3] = c(1(),7()) [3] [1] +(9(),9()) = [3] >= [3] = c(1(),8()) [0 0] [0 4] [1 2] [5] [0 0] [0 0] [1 2] [1] +(x,c(y,z)) = [0 1]x + [0 2]y + [0 1]z + [3] >= [0 1]x + [0 2]y + [0 1]z + [3] = c(y,+(x,z)) [0 0] [0 0] [1 2] [1] [0 0] [0 0] [1 2] [1] +(c(x,y),z) = [0 2]x + [0 1]y + [0 1]z + [3] >= [0 2]x + [0 1]y + [0 1]z + [3] = c(x,+(y,z)) [0] c(0(),x) = x + [2] >= x = x [0 0] [0 0] [0] [0 0] [0 0] [0] c(x,c(y,z)) = [0 2]x + [0 2]y + z + [4] >= [0 2]x + [0 2]y + z + [4] = c(+(x,y),z) problem: DPs: TRS: +(0(),0()) -> 0() +(0(),1()) -> 1() +(0(),2()) -> 2() +(0(),3()) -> 3() +(0(),4()) -> 4() +(0(),5()) -> 5() +(0(),6()) -> 6() +(0(),7()) -> 7() +(0(),8()) -> 8() +(0(),9()) -> 9() +(1(),0()) -> 1() +(1(),1()) -> 2() +(1(),2()) -> 3() +(1(),3()) -> 4() +(1(),4()) -> 5() +(1(),5()) -> 6() +(1(),6()) -> 7() +(1(),7()) -> 8() +(1(),8()) -> 9() +(1(),9()) -> c(1(),0()) +(2(),0()) -> 2() +(2(),1()) -> 3() +(2(),2()) -> 4() +(2(),3()) -> 5() +(2(),4()) -> 6() +(2(),5()) -> 7() +(2(),6()) -> 8() +(2(),7()) -> 9() +(2(),8()) -> c(1(),0()) +(2(),9()) -> c(1(),1()) +(3(),0()) -> 3() +(3(),1()) -> 4() +(3(),2()) -> 5() +(3(),3()) -> 6() +(3(),4()) -> 7() +(3(),5()) -> 8() +(3(),6()) -> 9() +(3(),7()) -> c(1(),0()) +(3(),8()) -> c(1(),1()) +(3(),9()) -> c(1(),2()) +(4(),0()) -> 4() +(4(),1()) -> 5() +(4(),2()) -> 6() +(4(),3()) -> 7() +(4(),4()) -> 8() +(4(),5()) -> 9() +(4(),6()) -> c(1(),0()) +(4(),7()) -> c(1(),1()) +(4(),8()) -> c(1(),2()) +(4(),9()) -> c(1(),3()) +(5(),0()) -> 5() +(5(),1()) -> 6() +(5(),2()) -> 7() +(5(),3()) -> 8() +(5(),4()) -> 9() +(5(),5()) -> c(1(),0()) +(5(),6()) -> c(1(),1()) +(5(),7()) -> c(1(),2()) +(5(),8()) -> c(1(),3()) +(5(),9()) -> c(1(),4()) +(6(),0()) -> 6() +(6(),1()) -> 7() +(6(),2()) -> 8() +(6(),3()) -> 9() +(6(),4()) -> c(1(),0()) +(6(),5()) -> c(1(),1()) +(6(),6()) -> c(1(),2()) +(6(),7()) -> c(1(),3()) +(6(),8()) -> c(1(),4()) +(6(),9()) -> c(1(),5()) +(7(),0()) -> 7() +(7(),1()) -> 8() +(7(),2()) -> 9() +(7(),3()) -> c(1(),0()) +(7(),4()) -> c(1(),1()) +(7(),5()) -> c(1(),2()) +(7(),6()) -> c(1(),3()) +(7(),7()) -> c(1(),4()) +(7(),8()) -> c(1(),5()) +(7(),9()) -> c(1(),6()) +(8(),0()) -> 8() +(8(),1()) -> 9() +(8(),2()) -> c(1(),0()) +(8(),3()) -> c(1(),1()) +(8(),4()) -> c(1(),2()) +(8(),5()) -> c(1(),3()) +(8(),6()) -> c(1(),4()) +(8(),7()) -> c(1(),5()) +(8(),8()) -> c(1(),6()) +(8(),9()) -> c(1(),7()) +(9(),0()) -> 9() +(9(),1()) -> c(1(),0()) +(9(),2()) -> c(1(),1()) +(9(),3()) -> c(1(),2()) +(9(),4()) -> c(1(),3()) +(9(),5()) -> c(1(),4()) +(9(),6()) -> c(1(),5()) +(9(),7()) -> c(1(),6()) +(9(),8()) -> c(1(),7()) +(9(),9()) -> c(1(),8()) +(x,c(y,z)) -> c(y,+(x,z)) +(c(x,y),z) -> c(x,+(y,z)) c(0(),x) -> x c(x,c(y,z)) -> c(+(x,y),z) Qed