6.30/1.90	YES
6.30/1.91	
6.30/1.91	Problem:
6.30/1.91	 strict:
6.30/1.91	  n(s(x1)) -> s(x1)
6.30/1.91	  o(s(x1)) -> s(x1)
6.30/1.91	 weak:
6.30/1.91	  t(x1) -> t(c(n(x1)))
6.30/1.91	  c(n(x1)) -> n(c(x1))
6.30/1.91	  c(o(x1)) -> o(c(x1))
6.30/1.91	  c(o(x1)) -> o(x1)
6.30/1.91	
6.30/1.91	Proof:
6.30/1.91	 Arctic Interpretation Processor:
6.30/1.91	  dimension: 2
6.30/1.91	  interpretation:
6.30/1.91	             [0  -&]  
6.30/1.91	   [c](x0) = [0  0 ]x0,
6.30/1.91	   
6.30/1.91	             [0  0 ]  
6.30/1.91	   [t](x0) = [-& -&]x0,
6.30/1.91	   
6.30/1.91	             [1 1]  
6.30/1.91	   [o](x0) = [4 4]x0,
6.30/1.91	   
6.30/1.91	             [0  0 ]  
6.30/1.91	   [n](x0) = [0  -&]x0,
6.30/1.91	   
6.30/1.91	             [1 0]  
6.30/1.91	   [s](x0) = [0 0]x0
6.30/1.91	  orientation:
6.30/1.91	              [1 0]      [1 0]          
6.30/1.91	   n(s(x1)) = [1 0]x1 >= [0 0]x1 = s(x1)
6.30/1.91	   
6.30/1.91	              [2 1]      [1 0]          
6.30/1.91	   o(s(x1)) = [5 4]x1 >= [0 0]x1 = s(x1)
6.30/1.91	   
6.30/1.91	           [0  0 ]      [0  0 ]                
6.30/1.91	   t(x1) = [-& -&]x1 >= [-& -&]x1 = t(c(n(x1)))
6.30/1.91	   
6.30/1.91	              [0 0]      [0  0 ]             
6.30/1.91	   c(n(x1)) = [0 0]x1 >= [0  -&]x1 = n(c(x1))
6.30/1.91	   
6.30/1.91	              [1 1]      [1 1]             
6.30/1.91	   c(o(x1)) = [4 4]x1 >= [4 4]x1 = o(c(x1))
6.30/1.91	   
6.30/1.91	              [1 1]      [1 1]          
6.30/1.91	   c(o(x1)) = [4 4]x1 >= [4 4]x1 = o(x1)
6.30/1.91	  problem:
6.30/1.91	   strict:
6.30/1.91	    n(s(x1)) -> s(x1)
6.30/1.91	   weak:
6.30/1.91	    t(x1) -> t(c(n(x1)))
6.30/1.91	    c(n(x1)) -> n(c(x1))
6.30/1.91	    c(o(x1)) -> o(c(x1))
6.30/1.91	    c(o(x1)) -> o(x1)
6.30/1.91	  String Reversal Processor:
6.30/1.91	   strict:
6.30/1.91	    s(n(x1)) -> s(x1)
6.30/1.91	   weak:
6.30/1.91	    t(x1) -> n(c(t(x1)))
6.30/1.91	    n(c(x1)) -> c(n(x1))
6.30/1.91	    o(c(x1)) -> c(o(x1))
6.30/1.91	    o(c(x1)) -> o(x1)
6.30/1.91	   Matrix Interpretation Processor: dim=2
6.30/1.91	    
6.30/1.91	    interpretation:
6.30/1.91	               [1 0]  
6.30/1.91	     [c](x0) = [0 0]x0,
6.30/1.91	     
6.30/1.91	               [1 2]     [0]
6.30/1.91	     [t](x0) = [0 0]x0 + [1],
6.30/1.91	     
6.30/1.91	               [2 0]  
6.30/1.91	     [o](x0) = [0 0]x0,
6.30/1.91	     
6.30/1.91	                    [0]
6.30/1.91	     [n](x0) = x0 + [1],
6.30/1.91	     
6.30/1.91	               [1 1]     [0]
6.30/1.91	     [s](x0) = [2 0]x0 + [1]
6.30/1.91	    orientation:
6.30/1.91	                [1 1]     [1]    [1 1]     [0]        
6.30/1.91	     s(n(x1)) = [2 0]x1 + [1] >= [2 0]x1 + [1] = s(x1)
6.30/1.91	     
6.30/1.91	             [1 2]     [0]    [1 2]     [0]              
6.30/1.91	     t(x1) = [0 0]x1 + [1] >= [0 0]x1 + [1] = n(c(t(x1)))
6.30/1.91	     
6.30/1.91	                [1 0]     [0]    [1 0]             
6.30/1.91	     n(c(x1)) = [0 0]x1 + [1] >= [0 0]x1 = c(n(x1))
6.30/1.91	     
6.30/1.91	                [2 0]      [2 0]             
6.30/1.91	     o(c(x1)) = [0 0]x1 >= [0 0]x1 = c(o(x1))
6.30/1.91	     
6.30/1.91	                [2 0]      [2 0]          
6.30/1.91	     o(c(x1)) = [0 0]x1 >= [0 0]x1 = o(x1)
6.30/1.91	    problem:
6.30/1.91	     strict:
6.30/1.91	      
6.30/1.91	     weak:
6.30/1.91	      t(x1) -> n(c(t(x1)))
6.30/1.91	      n(c(x1)) -> c(n(x1))
6.30/1.91	      o(c(x1)) -> c(o(x1))
6.30/1.91	      o(c(x1)) -> o(x1)
6.30/1.91	    Qed
6.30/1.91	EOF