4.08/2.13	YES
4.08/2.13	
4.08/2.13	Proof:
4.08/2.13	This system is confluent.
4.08/2.13	By \cite{GNG13}, Theorem 9.
4.08/2.13	This system is of type 3 or smaller.
4.08/2.13	This system is deterministic.
4.08/2.13	This system is weakly left-linear.
4.08/2.13	System R transformed to optimized U(R).
4.08/2.13	This system is orthogonal.
4.08/2.13	
6.18/2.55	EOF