We consider the following Problem: Strict Trs: { exp(x, 0()) -> s(0()) , exp(x, s(y)) -> *(x, exp(x, y)) , *(0(), y) -> 0() , *(s(x), y) -> +(y, *(x, y)) , -(0(), y) -> 0() , -(x, 0()) -> x , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: We consider the following Problem: Strict Trs: { exp(x, 0()) -> s(0()) , exp(x, s(y)) -> *(x, exp(x, y)) , *(0(), y) -> 0() , *(s(x), y) -> +(y, *(x, y)) , -(0(), y) -> 0() , -(x, 0()) -> x , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: { -(0(), y) -> 0() , -(s(x), s(y)) -> -(x, y)} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(exp) = {}, Uargs(s) = {}, Uargs(*) = {2}, Uargs(+) = {2}, Uargs(-) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: exp(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [0 0] x1 + [1] [1 1] [1] *(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [1 1] [0 0] [1] +(x1, x2) = [0 0] x1 + [1 0] x2 + [1] [1 1] [0 0] [1] -(x1, x2) = [1 1] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { exp(x, 0()) -> s(0()) , exp(x, s(y)) -> *(x, exp(x, y)) , *(0(), y) -> 0() , *(s(x), y) -> +(y, *(x, y)) , -(x, 0()) -> x} Weak Trs: { -(0(), y) -> 0() , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {*(0(), y) -> 0()} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(exp) = {}, Uargs(s) = {}, Uargs(*) = {2}, Uargs(+) = {2}, Uargs(-) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: exp(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [1 1] [0 0] [1] 0() = [0] [0] s(x1) = [0 0] x1 + [1] [1 1] [1] *(x1, x2) = [0 0] x1 + [1 0] x2 + [2] [1 1] [0 0] [1] +(x1, x2) = [0 0] x1 + [1 0] x2 + [1] [1 1] [0 0] [1] -(x1, x2) = [1 1] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { exp(x, 0()) -> s(0()) , exp(x, s(y)) -> *(x, exp(x, y)) , *(s(x), y) -> +(y, *(x, y)) , -(x, 0()) -> x} Weak Trs: { *(0(), y) -> 0() , -(0(), y) -> 0() , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {exp(x, 0()) -> s(0())} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(exp) = {}, Uargs(s) = {}, Uargs(*) = {2}, Uargs(+) = {2}, Uargs(-) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: exp(x1, x2) = [0 0] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [0 0] x1 + [0] [1 1] [0] *(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [1] +(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [1 1] [0 0] [1] -(x1, x2) = [1 1] x1 + [0 0] x2 + [1] [0 0] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { exp(x, s(y)) -> *(x, exp(x, y)) , *(s(x), y) -> +(y, *(x, y)) , -(x, 0()) -> x} Weak Trs: { exp(x, 0()) -> s(0()) , *(0(), y) -> 0() , -(0(), y) -> 0() , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {-(x, 0()) -> x} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(exp) = {}, Uargs(s) = {}, Uargs(*) = {2}, Uargs(+) = {2}, Uargs(-) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: exp(x1, x2) = [0 0] x1 + [0 0] x2 + [0] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [1 0] x1 + [0] [0 1] [1] *(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [1] +(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [0 1] [0 0] [1] -(x1, x2) = [1 0] x1 + [0 0] x2 + [1] [0 1] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: { exp(x, s(y)) -> *(x, exp(x, y)) , *(s(x), y) -> +(y, *(x, y))} Weak Trs: { -(x, 0()) -> x , exp(x, 0()) -> s(0()) , *(0(), y) -> 0() , -(0(), y) -> 0() , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: The weightgap principle applies, where following rules are oriented strictly: TRS Component: {exp(x, s(y)) -> *(x, exp(x, y))} Interpretation of nonconstant growth: ------------------------------------- The following argument positions are usable: Uargs(exp) = {}, Uargs(s) = {}, Uargs(*) = {2}, Uargs(+) = {2}, Uargs(-) = {} We have the following EDA-non-satisfying and IDA(1)-non-satisfying matrix interpretation: Interpretation Functions: exp(x1, x2) = [0 0] x1 + [1 0] x2 + [1] [0 0] [0 0] [1] 0() = [0] [0] s(x1) = [1 0] x1 + [1] [0 1] [1] *(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [0 0] [0 0] [1] +(x1, x2) = [0 0] x1 + [1 0] x2 + [0] [1 0] [0 0] [1] -(x1, x2) = [1 0] x1 + [0 0] x2 + [1] [0 1] [0 0] [1] The strictly oriented rules are moved into the weak component. We consider the following Problem: Strict Trs: {*(s(x), y) -> +(y, *(x, y))} Weak Trs: { exp(x, s(y)) -> *(x, exp(x, y)) , -(x, 0()) -> x , exp(x, 0()) -> s(0()) , *(0(), y) -> 0() , -(0(), y) -> 0() , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: We consider the following Problem: Strict Trs: {*(s(x), y) -> +(y, *(x, y))} Weak Trs: { exp(x, s(y)) -> *(x, exp(x, y)) , -(x, 0()) -> x , exp(x, 0()) -> s(0()) , *(0(), y) -> 0() , -(0(), y) -> 0() , -(s(x), s(y)) -> -(x, y)} StartTerms: basic terms Strategy: innermost Certificate: YES(?,O(n^2)) Proof: The following argument positions are usable: Uargs(exp) = {}, Uargs(s) = {}, Uargs(*) = {2}, Uargs(+) = {2}, Uargs(-) = {} We have the following restricted polynomial interpretation: Interpretation Functions: [exp](x1, x2) = 3 + x1 + 2*x1*x2 + x2^2 [0]() = 2 [s](x1) = 2 + x1 [*](x1, x2) = 2 + 3*x1 + x2 [+](x1, x2) = 2 + x2 [-](x1, x2) = 1 + 2*x1 + 2*x2 Hurray, we answered YES(?,O(n^2))