1.59/0.74	YES
1.59/0.74	
1.59/0.74	Problem:
1.59/0.74	 b(a(a(a(x1)))) -> b(b(a(a(x1))))
1.59/0.74	 a(b(a(a(x1)))) -> b(b(b(a(x1))))
1.59/0.74	 b(b(b(a(x1)))) -> a(a(a(b(x1))))
1.59/0.74	
1.59/0.74	Proof:
1.59/0.74	 String Reversal Processor:
1.59/0.74	  a(a(a(b(x1)))) -> a(a(b(b(x1))))
1.59/0.74	  a(a(b(a(x1)))) -> a(b(b(b(x1))))
1.59/0.74	  a(b(b(b(x1)))) -> b(a(a(a(x1))))
1.59/0.74	  KBO Processor:
1.59/0.74	   weight function:
1.59/0.74	    w0 = 1
1.59/0.74	    w(b) = w(a) = 1
1.59/0.74	   precedence:
1.59/0.74	    a > b
1.59/0.74	   problem:
1.59/0.74	    
1.59/0.74	   Qed
1.59/0.74	EOF