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:
f(f(f(f(j, a), b), c), d) → f(f(a, b), f(f(a, d), c))
Q is empty.
↳ QTRS
Q restricted rewrite system:
The TRS R consists of the following rules:
f(f(f(f(j, a), b), c), d) → f(f(a, b), f(f(a, d), c))
Q is empty.