0 QTRS
f(f(X)) → c(n__f(n__g(n__f(X)))) c(X) → d(activate(X)) h(X) → c(n__d(X)) f(X) → n__f(X) g(X) → n__g(X) d(X) → n__d(X) activate(n__f(X)) → f(activate(X)) activate(n__g(X)) → g(X) activate(n__d(X)) → d(X) activate(X) → X