YES(O(1),O(n^1)) 544.80/297.06 YES(O(1),O(n^1)) 544.80/297.06 544.80/297.06 We are left with following problem, upon which TcT provides the 544.80/297.06 certificate YES(O(1),O(n^1)). 544.80/297.06 544.80/297.06 Strict Trs: 544.80/297.06 { a(b(a(x1))) -> a(a(b(b(a(a(x1)))))) 544.80/297.06 , b(a(a(b(x1)))) -> b(a(b(x1))) } 544.80/297.06 Obligation: 544.80/297.06 derivational complexity 544.80/297.06 Answer: 544.80/297.06 YES(O(1),O(n^1)) 544.80/297.06 544.80/297.06 We use the processor 'matrix interpretation of dimension 3' to 544.80/297.06 orient following rules strictly. 544.80/297.06 544.80/297.06 Trs: 544.80/297.06 { a(b(a(x1))) -> a(a(b(b(a(a(x1)))))) 544.80/297.06 , b(a(a(b(x1)))) -> b(a(b(x1))) } 544.80/297.06 544.80/297.06 The induced complexity on above rules (modulo remaining rules) is 544.80/297.06 YES(?,O(n^1)) . These rules are removed from the problem. Note that 544.80/297.06 none of the weakly oriented rules is size-increasing. The overall 544.80/297.06 complexity is obtained by composition . 544.80/297.06 544.80/297.06 Sub-proof: 544.80/297.06 ---------- 544.80/297.06 TcT has computed the following triangular matrix interpretation. 544.80/297.06 544.80/297.06 [1 1 0] [0] 544.80/297.06 [a](x1) = [0 0 0] x1 + [1] 544.80/297.06 [0 0 0] [2] 544.80/297.06 544.80/297.06 [1 0 0] [1] 544.80/297.06 [b](x1) = [0 0 2] x1 + [0] 544.80/297.06 [0 0 0] [0] 544.80/297.06 544.80/297.06 The order satisfies the following ordering constraints: 544.80/297.06 544.80/297.06 [a(b(a(x1)))] = [1 1 0] [5] 544.80/297.06 [0 0 0] x1 + [1] 544.80/297.06 [0 0 0] [2] 544.80/297.06 > [1 1 0] [4] 544.80/297.06 [0 0 0] x1 + [1] 544.80/297.06 [0 0 0] [2] 544.80/297.06 = [a(a(b(b(a(a(x1))))))] 544.80/297.06 544.80/297.06 [b(a(a(b(x1))))] = [1 0 2] [3] 544.80/297.06 [0 0 0] x1 + [4] 544.80/297.06 [0 0 0] [0] 544.80/297.06 > [1 0 2] [2] 544.80/297.06 [0 0 0] x1 + [4] 544.80/297.06 [0 0 0] [0] 544.80/297.06 = [b(a(b(x1)))] 544.80/297.06 544.80/297.06 544.80/297.06 We return to the main proof. 544.80/297.06 544.80/297.06 We are left with following problem, upon which TcT provides the 544.80/297.06 certificate YES(O(1),O(1)). 544.80/297.06 544.80/297.06 Rules: Empty 544.80/297.06 Obligation: 544.80/297.06 derivational complexity 544.80/297.06 Answer: 544.80/297.06 YES(O(1),O(1)) 544.80/297.06 544.80/297.06 Empty rules are trivially bounded 544.80/297.06 544.80/297.06 Hurray, we answered YES(O(1),O(n^1)) 544.80/297.07 EOF