1.17/0.76	NO
1.17/0.76	
1.17/0.76	Proof:
1.17/0.76	This system is not confluent.
1.17/0.76	For the unconditional CP t(l) = t(k) the left- and right-hand sides are two different normal forms wrt R_u.
1.17/0.76	
1.17/0.78	EOF