YES
(ignored inputs)COMMENT full experiments for [35] submitted by: Takahito Aoto and Yoshihito Toyama
Input:
   [ +(?x,?y) -> +(?y,?x) ]

Make it flat:
   [ +(?x,?y) -> +(?y,?x) ]
Time: 0.000 [s]

Make it Complete (R^):
   [ +(?x,?y) = +(?y,?x) ]
Time: 0.000 [s]

The number of normal forms that must be checked: 2
Time: 0.000 [s]

Now checking all the pairs...

Time to check pairs: 0.000 [s]

The TRS has Uniqueness of Normal Forms.
Total Time: 0.000 [s]

problems/179.trs: Success(UNC)
real 0.04
user 0.01
sys 0.01