1.98/1.27	YES
1.98/1.27	
1.98/1.28	Proof:
1.98/1.28	This system is confluent.
1.98/1.28	By \cite{SMI95}, Corollary 4.7 or 5.3.
1.98/1.28	This system is oriented.
1.98/1.28	This system is of type 3 or smaller.
1.98/1.28	This system is right-stable.
1.98/1.28	This system is properly oriented.
1.98/1.28	This is an overlay system.
1.98/1.28	This system is left-linear.
1.98/1.28	All 0 critical pairs are trivial or infeasible.
1.98/1.28	
1.98/1.30	EOF