2.00/1.59	YES
2.00/1.59	
2.00/1.59	Proof:
2.00/1.59	This system is confluent.
2.00/1.59	Removed infeasible rules from system R.
2.00/1.59	By \cite{GNG13}, Theorem 9.
2.00/1.59	This system is of type 3 or smaller.
2.00/1.59	This system is deterministic.
2.00/1.59	This system is weakly left-linear.
2.00/1.59	System R transformed to optimized U(R).
2.00/1.59	This system is orthogonal.
2.00/1.59	
4.38/1.95	EOF