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:

ag(c)
g(a) → b
f(g(X), b) → f(a, X)

Q is empty.


QTRS

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

ag(c)
g(a) → b
f(g(X), b) → f(a, X)

Q is empty.