YES(O(1),O(n^1)) 164.26/60.07 YES(O(1),O(n^1)) 164.26/60.07 164.26/60.07 We are left with following problem, upon which TcT provides the 164.26/60.07 certificate YES(O(1),O(n^1)). 164.26/60.07 164.26/60.07 Strict Trs: 164.26/60.07 { a(b(a(x1))) -> a(b(b(a(x1)))) 164.26/60.07 , b(b(b(x1))) -> b(b(x1)) } 164.26/60.07 Obligation: 164.26/60.07 derivational complexity 164.26/60.07 Answer: 164.26/60.07 YES(O(1),O(n^1)) 164.26/60.07 164.26/60.07 We use the processor 'matrix interpretation of dimension 3' to 164.26/60.07 orient following rules strictly. 164.26/60.07 164.26/60.07 Trs: 164.26/60.07 { a(b(a(x1))) -> a(b(b(a(x1)))) 164.26/60.07 , b(b(b(x1))) -> b(b(x1)) } 164.26/60.07 164.26/60.07 The induced complexity on above rules (modulo remaining rules) is 164.26/60.07 YES(?,O(n^1)) . These rules are removed from the problem. Note that 164.26/60.07 none of the weakly oriented rules is size-increasing. The overall 164.26/60.07 complexity is obtained by composition . 164.26/60.07 164.26/60.07 Sub-proof: 164.26/60.07 ---------- 164.26/60.07 TcT has computed the following triangular matrix interpretation. 164.26/60.07 164.26/60.07 [1 1 0] [0] 164.26/60.07 [a](x1) = [0 0 0] x1 + [0] 164.26/60.07 [0 0 0] [2] 164.26/60.07 164.26/60.07 [1 0 0] [2] 164.26/60.07 [b](x1) = [0 0 2] x1 + [0] 164.26/60.07 [0 0 0] [0] 164.26/60.07 164.26/60.07 The order satisfies the following ordering constraints: 164.26/60.07 164.26/60.07 [a(b(a(x1)))] = [1 1 0] [6] 164.26/60.07 [0 0 0] x1 + [0] 164.26/60.07 [0 0 0] [2] 164.26/60.07 > [1 1 0] [4] 164.26/60.07 [0 0 0] x1 + [0] 164.26/60.07 [0 0 0] [2] 164.26/60.07 = [a(b(b(a(x1))))] 164.26/60.07 164.26/60.07 [b(b(b(x1)))] = [1 0 0] [6] 164.26/60.07 [0 0 0] x1 + [0] 164.26/60.07 [0 0 0] [0] 164.26/60.07 > [1 0 0] [4] 164.26/60.07 [0 0 0] x1 + [0] 164.26/60.07 [0 0 0] [0] 164.26/60.07 = [b(b(x1))] 164.26/60.07 164.26/60.07 164.26/60.07 We return to the main proof. 164.26/60.07 164.26/60.07 We are left with following problem, upon which TcT provides the 164.26/60.07 certificate YES(O(1),O(1)). 164.26/60.07 164.26/60.07 Rules: Empty 164.26/60.07 Obligation: 164.26/60.07 derivational complexity 164.26/60.07 Answer: 164.26/60.07 YES(O(1),O(1)) 164.26/60.07 164.26/60.07 Empty rules are trivially bounded 164.26/60.07 164.26/60.07 Hurray, we answered YES(O(1),O(n^1)) 164.46/60.12 EOF