Input TRS:
    1: f(f(a())) -> f(g(n__f(a())))
    2: f(X) -> n__f(X)
    3: activate(n__f(X)) -> f(X)
    4: activate(X) -> X
Number of Rules: 4
Direct QTKBOS ... orients all.
	I(a) = 3
	I(f) = 3 * x1 + 3	sigma(f) = [1]
	I(g) = x1 + 2	sigma(g) = [1]
	I(activate) = 3 * x1 + 3	sigma(activate) = [1]
	I(n__f) = 2 * x1 + 2	sigma(n__f) = [1]
    PREC: a = activate = n__f > g > f
Number of Rules: 0