MAYBE (ignored inputs)COMMENT doi:10.1007/978-3-642-40885-4_22 [44] Example 15 submitted by: Tsubasa Suzuki , Takahito Aoto , and Yoshihito Toyama Rewrite Rules: [ c -> f(c,d), c -> h(c,d), f(?x,?y) -> h(g(?y),?x), h(?x,?y) -> f(g(?y),?x) ] Apply Direct Methods... Inner CPs: [ ] Outer CPs: [ f(c,d) = h(c,d) ] Linear (inner) Parallel CPs: (not computed) unknown Toyama (Parallel CPs) Direct Methods: Can't judge Combined result: Can't judge 257.trs: Failure(unknown CR) (0 msec.)