2.77/1.16	YES
2.77/1.16	
2.77/1.16	Problem:
2.77/1.16	 a(b(a(x1))) -> b(a(x1))
2.77/1.16	 b(b(b(x1))) -> b(a(b(x1)))
2.77/1.16	 a(a(x1)) -> b(b(b(x1)))
2.77/1.16	
2.77/1.16	Proof:
2.77/1.16	 String Reversal Processor:
2.77/1.16	  a(b(a(x1))) -> a(b(x1))
2.77/1.16	  b(b(b(x1))) -> b(a(b(x1)))
2.77/1.16	  a(a(x1)) -> b(b(b(x1)))
2.77/1.16	  Matrix Interpretation Processor: dim=2
2.77/1.16	   
2.77/1.16	   interpretation:
2.77/1.16	              [1 0]  
2.77/1.16	    [b](x0) = [0 0]x0,
2.77/1.16	    
2.77/1.16	              [1 2]     [0]
2.77/1.16	    [a](x0) = [2 0]x0 + [2]
2.77/1.16	   orientation:
2.77/1.16	                  [1 2]     [0]    [1 0]     [0]           
2.77/1.16	    a(b(a(x1))) = [2 4]x1 + [2] >= [2 0]x1 + [2] = a(b(x1))
2.77/1.16	    
2.77/1.16	                  [1 0]      [1 0]                
2.77/1.16	    b(b(b(x1))) = [0 0]x1 >= [0 0]x1 = b(a(b(x1)))
2.77/1.16	    
2.77/1.16	               [5 2]     [4]    [1 0]                
2.77/1.16	    a(a(x1)) = [2 4]x1 + [2] >= [0 0]x1 = b(b(b(x1)))
2.77/1.16	   problem:
2.77/1.16	    a(b(a(x1))) -> a(b(x1))
2.77/1.16	    b(b(b(x1))) -> b(a(b(x1)))
2.77/1.16	   KBO Processor:
2.77/1.16	    weight function:
2.77/1.16	     w0 = 1
2.77/1.16	     w(b) = w(a) = 1
2.77/1.16	    precedence:
2.77/1.16	     b > a
2.77/1.16	    problem:
2.77/1.16	     
2.77/1.16	    Qed
2.77/1.17	EOF