2.14/1.41	YES
2.14/1.41	
2.14/1.41	Proof:
2.14/1.42	This system is confluent.
2.14/1.42	Removed infeasible rules from system R.
2.14/1.42	By \cite{GNG13}, Theorem 9.
2.14/1.42	This system is of type 3 or smaller.
2.14/1.42	This system is deterministic.
2.14/1.42	This system is weakly left-linear.
2.14/1.42	System R transformed to optimized U(R).
2.14/1.42	This system is orthogonal.
2.14/1.42	
4.01/1.81	EOF