1.98/1.34	NO
1.98/1.34	
1.98/1.34	Proof:
1.98/1.34	This system is not confluent.
1.98/1.34	For the unconditional CP d = c the left- and right-hand sides are two different normal forms wrt R_u.
1.98/1.34	
2.14/1.36	EOF