MAYBE
(ignored inputs)COMMENT doi:10.1006/jsco.1996.0002 [112] p. 31 ( signature extension and currying do not preserve UNR ) submitted by: Bertram Felgenhauer
input TRS:
   [ f(?x,?x) -> g,
     a -> b,
     a -> c,
     d -> c,
     d -> e,
     c -> c,
     f(a,?x) -> g,
     f(b,?x) -> g,
     f(c,?x) -> g,
     f(d,?x) -> g,
     f(e,?x) -> g,
     f(?x,a) -> g,
     f(?x,b) -> g,
     f(?x,c) -> g,
     f(?x,d) -> g,
     f(?x,e) -> g ]
TRS:
   [ f(?x,?x) -> g,
     a -> b,
     a -> c,
     d -> c,
     d -> e,
     c -> c,
     f(a,?x) -> g,
     f(b,?x) -> g,
     f(c,?x) -> g,
     f(d,?x) -> g,
     f(e,?x) -> g,
     f(?x,a) -> g,
     f(?x,b) -> g,
     f(?x,c) -> g,
     f(?x,d) -> g,
     f(?x,e) -> g ]
unknown UNC Completion (Strongly Closed)
problems/526.trs: Failure(unknown UNC)
(0 msec.)