1.28/0.80	NO
1.28/0.80	
1.28/0.80	Proof:
1.28/0.80	This system is not confluent.
1.28/0.80	For the unconditional CP l = e' the left- and right-hand sides are two different normal forms wrt R_u.
1.28/0.80	
1.28/0.83	EOF