NO (ignored inputs)COMMENT [120] Example 3 submitted by: Aart Middeldorp input TRS: [ g(?x) -> h(k(?x)), g(?x) -> ?x, h(k(?x)) -> f(?x), f(?x) -> ?x, k(c) -> c, f(c) -> g(c) ] TRS: [ g(?x) -> h(k(?x)), g(?x) -> ?x, h(k(?x)) -> f(?x), f(?x) -> ?x, k(c) -> c, f(c) -> g(c) ] New rules by rule reversing: [ h(k(?x)) -> g(?x), g(?x) -> ?x, h(k(?x)) -> f(?x), f(?x) -> ?x, k(c) -> c, f(c) -> g(c) ] constructed TRS: [ h(k(?x)) -> g(?x), g(?x) -> ?x, h(k(?x)) -> f(?x), f(?x) -> ?x, k(c) -> c, f(c) -> g(c), g(c) -> h(c), f(c) -> h(c) ] convertible distinct normal forms: h(c) = c UNC Completion (Strongly Closed) problems/544.trs: Success(not UNC) (0 msec.)