13.92/4.00	YES
13.92/4.00	
13.92/4.00	Problem:
13.92/4.00	 a(b(b(a(x1)))) -> b(a(a(b(x1))))
13.92/4.00	 b(a(b(x1))) -> a(b(b(b(x1))))
13.92/4.00	
13.92/4.00	Proof:
13.92/4.00	 Matrix Interpretation Processor: dim=4
13.92/4.00	  
13.92/4.00	  interpretation:
13.92/4.00	             [1 0 0 0]  
13.92/4.00	             [1 0 0 0]  
13.92/4.00	   [b](x0) = [0 1 0 0]x0
13.92/4.00	             [0 1 0 0]  ,
13.92/4.00	   
13.92/4.00	             [1 1 0 0]     [1]
13.92/4.00	             [0 0 1 1]     [0]
13.92/4.00	   [a](x0) = [0 0 0 0]x0 + [0]
13.92/4.00	             [0 0 0 0]     [0]
13.92/4.00	  orientation:
13.92/4.00	                    [2 2 0 0]     [3]    [2 2 0 0]     [2]                 
13.92/4.00	                    [2 2 0 0]     [2]    [2 2 0 0]     [2]                 
13.92/4.00	   a(b(b(a(x1)))) = [0 0 0 0]x1 + [0] >= [0 0 0 0]x1 + [0] = b(a(a(b(x1))))
13.92/4.00	                    [0 0 0 0]     [0]    [0 0 0 0]     [0]                 
13.92/4.00	   
13.92/4.00	                 [2 0 0 0]     [1]    [2 0 0 0]     [1]                 
13.92/4.00	                 [2 0 0 0]     [1]    [2 0 0 0]     [0]                 
13.92/4.00	   b(a(b(x1))) = [0 2 0 0]x1 + [0] >= [0 0 0 0]x1 + [0] = a(b(b(b(x1))))
13.92/4.00	                 [0 2 0 0]     [0]    [0 0 0 0]     [0]                 
13.92/4.00	  problem:
13.92/4.00	   b(a(b(x1))) -> a(b(b(b(x1))))
13.92/4.00	  KBO Processor:
13.92/4.00	   weight function:
13.92/4.00	    w0 = 1
13.92/4.00	    w(a) = 1
13.92/4.00	    w(b) = 0
13.92/4.00	   precedence:
13.92/4.00	    b > a
13.92/4.00	   problem:
13.92/4.00	    
13.92/4.00	   Qed
13.92/4.01	EOF