2.08/1.35	NO
2.08/1.35	
2.08/1.36	Proof:
2.08/1.36	This system is not confluent.
2.08/1.36	For the unconditional CP tp2(z, x') = tp2(0, add(z, x')) the left- and right-hand sides are two different normal forms wrt R_u.
2.08/1.36	
2.08/1.38	EOF