0.00/0.51	YES
0.00/0.51	
0.00/0.51	Problem:
0.00/0.52	not(x) -> false() <= x = true()
0.00/0.52	not(x) -> true() <= x = false()
0.00/0.52	
0.00/0.52	Proof:
0.00/0.52	This system is confluent.
0.00/0.52	By \cite{GNG13}, Theorem 9.
0.00/0.52	This system is of type 3 or smaller.
0.00/0.52	This system is deterministic.
0.00/0.52	This system is weakly left-linear.
0.00/0.52	System R transformed to optimized U(R).
0.00/0.52	This system is orthogonal.
0.00/0.52	
0.00/0.84	EOF