Termination w.r.t. Q of the following Term Rewriting System could not be shown:

Q restricted rewrite system:
The TRS R consists of the following rules:

cf(g(c))
f(g(X)) → g(X)

Q is empty.


QTRS

Q restricted rewrite system:
The TRS R consists of the following rules:

cf(g(c))
f(g(X)) → g(X)

Q is empty.