1.76/0.77	YES
1.76/0.77	
1.76/0.77	Problem:
1.76/0.77	 a(a(b(b(x1)))) -> b(b(b(b(x1))))
1.76/0.77	 b(a(a(b(x1)))) -> b(b(b(b(x1))))
1.76/0.77	 a(a(b(b(x1)))) -> a(b(a(a(x1))))
1.76/0.77	
1.76/0.77	Proof:
1.76/0.77	 KBO Processor:
1.76/0.77	  weight function:
1.76/0.77	   w0 = 1
1.76/0.77	   w(a) = w(b) = 1
1.76/0.77	  precedence:
1.76/0.77	   a > b
1.76/0.77	  problem:
1.76/0.77	   
1.76/0.77	  Qed
1.76/0.78	EOF