0.34/0.56	YES
0.34/0.57	
0.34/0.57	Problem:
0.34/0.57	 a(a(b(a(x1)))) -> a(b(a(a(x1))))
0.34/0.57	 b(a(b(b(x1)))) -> b(b(a(b(x1))))
0.34/0.57	 a(b(a(b(x1)))) -> a(b(b(b(x1))))
0.34/0.57	
0.34/0.57	Proof:
0.34/0.57	 String Reversal Processor:
0.34/0.57	  a(b(a(a(x1)))) -> a(a(b(a(x1))))
0.34/0.57	  b(b(a(b(x1)))) -> b(a(b(b(x1))))
0.34/0.57	  b(a(b(a(x1)))) -> b(b(b(a(x1))))
0.34/0.57	  KBO Processor:
0.34/0.57	   weight function:
0.34/0.57	    w0 = 1
0.34/0.57	    w(a) = 1
0.34/0.57	    w(b) = 0
0.34/0.57	   precedence:
0.34/0.57	    b > a
0.34/0.57	   problem:
0.34/0.57	    
0.34/0.57	   Qed
0.34/0.57	EOF