1.20/0.75	NO
1.20/0.75	
1.20/0.75	Proof:
1.20/0.75	This system is not confluent.
1.20/0.75	For the unconditional CP c(a) = c(b) ctcap(c(a)) and ctcap(c(b)) wrt R_u are not unifiable.
1.20/0.75	
1.20/0.79	EOF