1.95/1.26	NO
1.95/1.26	
1.95/1.26	Proof:
1.95/1.26	This system is not confluent.
1.95/1.26	For the unconditional CP s(b) = t(b) the left- and right-hand sides are two different normal forms wrt R_u.
1.95/1.26	
1.95/1.28	EOF