2.07/1.49	YES
2.07/1.49	
2.07/1.49	Proof:
2.07/1.49	This system is confluent.
2.07/1.49	Removed infeasible rules from system R.
2.07/1.49	By \cite{GNG13}, Theorem 9.
2.07/1.49	This system is of type 3 or smaller.
2.07/1.49	This system is deterministic.
2.07/1.49	This system is weakly left-linear.
2.07/1.49	System R transformed to optimized U(R).
2.07/1.49	This system is orthogonal.
2.07/1.49	
4.51/2.05	EOF