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