2.02/1.29	NO
2.02/1.29	
2.02/1.29	Proof:
2.02/1.29	This system is not confluent.
2.02/1.29	For the unconditional CP b = f(z, z) the left- and right-hand sides are two different normal forms wrt R_u.
2.02/1.29	
2.02/1.32	EOF