1.28/0.78 NO 1.28/0.78 1.28/0.78 Proof: 1.28/0.78 This system is not confluent. 1.28/0.78 For the unconditional CP m = l the left- and right-hand sides are two different normal forms wrt R_u. 1.28/0.78 1.28/0.80 EOF