2.22/1.31	YES
2.22/1.31	
2.22/1.31	Proof:
2.22/1.31	This system is confluent.
2.22/1.31	By \cite{SMI95}, Corollary 4.7 or 5.3.
2.22/1.31	This system is oriented.
2.22/1.31	This system is of type 3 or smaller.
2.22/1.31	This system is right-stable.
2.22/1.31	This system is properly oriented.
2.22/1.31	This is an overlay system.
2.22/1.31	This system is left-linear.
2.22/1.31	All 0 critical pairs are trivial or infeasible.
2.22/1.31	
3.06/1.72	EOF