(ignored inputs)COMMENT doi:10.1145/322217.322230 [12] p. 811 submitted by: Takahito Aoto , Junichi Yoshida , and Yoshihito Toyama
Rewrite Rules:
   [ H(H(?x)) -> K(?x),
     H(K(?x)) -> K(H(?x)) ]
Apply Direct Methods...
Inner CPs:
   [ H(K(H(?x_1))) = K(K(?x_1)),
     H(K(?x)) = K(H(?x)) ]
Outer CPs:
   [  ]
not Overlay, check Termination...
Terminating, WCR
Knuth & Bendix
Direct Methods: CR

Combined result: CR
45.trs: Success(CR)
YES
(4 msec.)