1.13/0.75 NO 1.13/0.75 1.13/0.75 Proof: 1.13/0.75 This system is not confluent. 1.13/0.75 For the unconditional CP d = c the left- and right-hand sides are two different normal forms wrt R_u. 1.13/0.75 1.13/0.78 EOF