SUCCESS
0.35 (total time)

COMPLETED TRS
i(i(x)) -> f(x, e)
i(e) -> e
i(f(x, y)) -> f(i(y), i(x))
f(i(x), e) -> i(x)
f(i(x), f(x, y)) -> y
f(e, x) -> x
f(f(x, y), z) -> f(x, f(y, z))
f(x, i(x)) -> e
f(x, f(i(x), y)) -> y