A criticism of Frankfurt-counterexamples presented by David Widerker and known as the W-defense has been resilient for years and has been considered one of the strongest challenges these counterexamples have to face. In this paper I intend to offer an explanation of one of the appeals on the W-Defense, mainly, that it allows us to pass over the intricate debate on whether a successful Frankfurt counterexample can be presented or not. I defend this debate, although interesting and fruitful, misses the (...) main point Frankfurt counterexamples intend to make. Next I offer a defense of Frankfurt counterexamples from Widerker’s attack by presenting a dilemma for the Principle of Alternative Expectations, it’s main premise: either on the one hand, this principle rests on the Kantian maxim ought implies can, which makes the principle, and Widerker’s whole argument, redundant and unnecessary; or the principle does not rest on such maxim, but then there is no good reason to accept it a valid. (shrink)

En este artículo se ofrece una defensa del libertarismo frente a dos acusaciones según las cuales éste comete un error categorial. Para ello, se utiliza la filosofía de Gilbert Ryle como herramienta para explicar las razones que fundamentan estas acusaciones y para mostrar por qué, pese a que cierta..