1.15/0.73	NO
1.15/0.73	
1.15/0.73	Proof:
1.15/0.73	This system is not confluent.
1.15/0.73	For the unconditional CP b = f(y, y) the left- and right-hand sides are two different normal forms wrt R_u.
1.15/0.73	
1.15/0.75	EOF