1.99/1.30	YES
1.99/1.30	
1.99/1.30	Proof:
1.99/1.30	This system is confluent.
1.99/1.30	Inlined conditions in System R.
1.99/1.30	By \cite{GNG13}, Theorem 9.
1.99/1.30	This system is of type 3 or smaller.
1.99/1.30	This system is deterministic.
1.99/1.30	This system is weakly left-linear.
1.99/1.30	System R transformed to optimized U(R).
1.99/1.30	This system is orthogonal.
1.99/1.30	
1.99/1.33	EOF