Termination w.r.t. Q
of the given
QTRS
could not be shown:
0 QTRS
(0)
Obligation:
Q restricted rewrite system:
The TRS R consists of the following rules:
f
(
f
(
x
,
a
),
y
) →
f
(
f
(
a
,
y
),
f
(
a
,
x
))
Q is empty.