YES(?,O(n^1)) 4.81/2.85 YES(?,O(n^1)) 4.81/2.85 4.81/2.85 We are left with following problem, upon which TcT provides the 4.81/2.85 certificate YES(?,O(n^1)). 4.81/2.85 4.81/2.85 Strict Trs: 4.81/2.85 { a() -> g(c()) 4.81/2.85 , g(a()) -> b() 4.81/2.85 , f(g(X), b()) -> f(a(), X) } 4.81/2.85 Obligation: 4.81/2.85 derivational complexity 4.81/2.85 Answer: 4.81/2.85 YES(?,O(n^1)) 4.81/2.85 4.81/2.85 TcT has computed the following matrix interpretation satisfying 4.81/2.85 not(EDA) and not(IDA(1)). 4.81/2.85 4.81/2.85 [1] 4.81/2.85 [a] = [0] 4.81/2.85 [1] 4.81/2.85 [1] 4.81/2.85 4.81/2.85 [1 0 0 0] [0] 4.81/2.85 [g](x1) = [0 1 1 0] x1 + [0] 4.81/2.85 [0 0 0 1] [0] 4.81/2.85 [0 0 0 0] [0] 4.81/2.85 4.81/2.85 [0] 4.81/2.85 [c] = [0] 4.81/2.85 [0] 4.81/2.85 [0] 4.81/2.85 4.81/2.85 [0] 4.81/2.85 [b] = [1] 4.81/2.85 [1] 4.81/2.85 [0] 4.81/2.85 4.81/2.85 [1 1 0 0] [1 1 1 0] [0] 4.81/2.85 [f](x1, x2) = [0 0 0 0] x1 + [0 0 0 0] x2 + [0] 4.81/2.85 [0 0 0 0] [0 0 0 0] [0] 4.81/2.85 [0 0 0 0] [0 0 0 0] [0] 4.81/2.85 4.81/2.85 The order satisfies the following ordering constraints: 4.81/2.85 4.81/2.85 [a()] = [1] 4.81/2.85 [0] 4.81/2.85 [1] 4.81/2.85 [1] 4.81/2.85 > [0] 4.81/2.85 [0] 4.81/2.85 [0] 4.81/2.85 [0] 4.81/2.85 = [g(c())] 4.81/2.85 4.81/2.85 [g(a())] = [1] 4.81/2.85 [1] 4.81/2.85 [1] 4.81/2.85 [0] 4.81/2.85 > [0] 4.81/2.85 [1] 4.81/2.85 [1] 4.81/2.85 [0] 4.81/2.85 = [b()] 4.81/2.85 4.81/2.85 [f(g(X), b())] = [1 1 1 0] [2] 4.81/2.85 [0 0 0 0] X + [0] 4.81/2.85 [0 0 0 0] [0] 4.81/2.85 [0 0 0 0] [0] 4.81/2.85 > [1 1 1 0] [1] 4.81/2.85 [0 0 0 0] X + [0] 4.81/2.85 [0 0 0 0] [0] 4.81/2.85 [0 0 0 0] [0] 4.81/2.85 = [f(a(), X)] 4.81/2.85 4.81/2.85 4.81/2.85 Hurray, we answered YES(?,O(n^1)) 4.81/2.85 EOF