3.79/1.28	YES
3.79/1.29	
3.79/1.29	Problem:
3.79/1.29	 a(c(a(x1))) -> b(a(c(x1)))
3.79/1.29	 a(c(c(x1))) -> a(b(b(x1)))
3.79/1.29	 c(a(a(x1))) -> a(a(a(x1)))
3.79/1.29	 b(c(c(x1))) -> a(c(a(x1)))
3.79/1.29	 b(a(a(x1))) -> b(c(b(x1)))
3.79/1.29	
3.79/1.29	Proof:
3.79/1.29	 String Reversal Processor:
3.79/1.29	  a(c(a(x1))) -> c(a(b(x1)))
3.79/1.29	  c(c(a(x1))) -> b(b(a(x1)))
3.79/1.29	  a(a(c(x1))) -> a(a(a(x1)))
3.79/1.29	  c(c(b(x1))) -> a(c(a(x1)))
3.79/1.29	  a(a(b(x1))) -> b(c(b(x1)))
3.79/1.29	  Matrix Interpretation Processor: dim=1
3.79/1.29	   
3.79/1.29	   interpretation:
3.79/1.29	    [b](x0) = x0 + 1,
3.79/1.29	    
3.79/1.29	    [c](x0) = x0 + 9,
3.79/1.29	    
3.79/1.29	    [a](x0) = x0 + 5
3.79/1.29	   orientation:
3.79/1.29	    a(c(a(x1))) = x1 + 19 >= x1 + 15 = c(a(b(x1)))
3.79/1.29	    
3.79/1.29	    c(c(a(x1))) = x1 + 23 >= x1 + 7 = b(b(a(x1)))
3.79/1.29	    
3.79/1.29	    a(a(c(x1))) = x1 + 19 >= x1 + 15 = a(a(a(x1)))
3.79/1.29	    
3.79/1.29	    c(c(b(x1))) = x1 + 19 >= x1 + 19 = a(c(a(x1)))
3.79/1.29	    
3.79/1.29	    a(a(b(x1))) = x1 + 11 >= x1 + 11 = b(c(b(x1)))
3.79/1.29	   problem:
3.79/1.29	    c(c(b(x1))) -> a(c(a(x1)))
3.79/1.29	    a(a(b(x1))) -> b(c(b(x1)))
3.79/1.29	   KBO Processor:
3.79/1.29	    weight function:
3.79/1.29	     w0 = 1
3.79/1.29	     w(b) = w(c) = w(a) = 1
3.79/1.29	    precedence:
3.79/1.29	     c > a > b
3.79/1.29	    problem:
3.79/1.29	     
3.79/1.29	    Qed
3.79/1.29	EOF