2.54/1.01	YES
2.54/1.01	
2.54/1.01	Problem:
2.54/1.01	 a(a(b(x1))) -> b(b(a(a(x1))))
2.54/1.01	 b(a(x1)) -> a(c(b(x1)))
2.54/1.01	
2.54/1.01	Proof:
2.54/1.01	 Bounds Processor:
2.54/1.01	  bound: 2
2.54/1.01	  enrichment: match
2.54/1.01	  automaton:
2.54/1.01	   final states: {6,1}
2.54/1.01	   transitions:
2.54/1.01	    f30() -> 2*
2.54/1.01	    b0(5) -> 1*
2.54/1.01	    b0(2) -> 7*
2.54/1.01	    b0(4) -> 5*
2.54/1.01	    a0(2) -> 3*
2.54/1.01	    a0(8) -> 6*
2.54/1.01	    a0(3) -> 4*
2.54/1.01	    c0(7) -> 8*
2.54/1.01	    a1(15) -> 16*
2.54/1.01	    a1(19) -> 20*
2.54/1.01	    a1(31) -> 32*
2.54/1.01	    c1(30) -> 31*
2.54/1.01	    c1(14) -> 15*
2.54/1.01	    c1(18) -> 19*
2.54/1.01	    b1(35) -> 36*
2.54/1.01	    b1(17) -> 18*
2.54/1.01	    b1(29) -> 30*
2.54/1.01	    b1(13) -> 14*
2.54/1.01	    a2(43) -> 44*
2.54/1.01	    c2(42) -> 43*
2.54/1.01	    b2(41) -> 42*
2.54/1.01	    1 -> 3,13,4
2.54/1.01	    2 -> 29*
2.54/1.01	    3 -> 13*
2.54/1.01	    6 -> 30,7
2.54/1.01	    15 -> 17*
2.54/1.01	    16 -> 5*
2.54/1.01	    19 -> 41,35
2.54/1.01	    20 -> 1*
2.54/1.01	    32 -> 14*
2.54/1.01	    36 -> 14*
2.54/1.01	    44 -> 14*
2.54/1.01	  problem:
2.54/1.01	   
2.54/1.01	  Qed
2.54/1.01	EOF