MAYBE
(ignored inputs)COMMENT Cops #647 - #721: generated ground TRSs; evenly distributed in the UNR/UNC/NFP/CR hierarchy submitted by: Bertram Felgenhauer
Rewrite Rules:
   [ h(f(f(c)),h(c,h(c,h(h(f(b),f(f(f(f(b))))),b)))) -> h(h(a,a),f(c)),
     h(b,h(c,h(b,h(a,b)))) -> a,
     f(c) -> f(f(a)),
     a -> f(f(b)) ]
Apply Direct Methods...
Inner CPs:
   [ h(f(f(f(a))),h(c,h(c,h(h(f(b),f(f(f(f(b))))),b)))) = h(h(a,a),f(c)),
     h(b,h(c,h(b,h(f(f(b)),b)))) = a ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs: (not computed)
unknown Toyama (Parallel CPs)
Direct Methods: Can't judge

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