MAYBE
(ignored inputs)COMMENT doi:10.23638/LMCS-13 ( 2:4 ) 2017 [131] Example 5.2 submitted by: Julian Nagele
Rewrite Rules:
   [ a -> b,
     a -> d,
     b -> a,
     c -> a,
     c -> b ]
Apply Direct Methods...
Inner CPs:
   [  ]
Outer CPs:
   [ b = d,
     a = b ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

Combined result: Can't judge
761.trs: Failure(unknown CR)
(0 msec.)