1.93/1.32 NO 1.93/1.32 1.93/1.32 Proof: 1.93/1.32 This system is not confluent. 1.93/1.32 For the unconditional CP d = c the left- and right-hand sides are two different normal forms wrt R_u. 1.93/1.32 2.18/1.34 EOF