. IntroductionCompatibilism is the hypothesis that determinism and free will are compatible and that it is conceivable to accept the two ideas without being contradictory. Furthermore, compatibilism is determined by previous events and the laws of nature. However, it is said that people may be able to refrain from carrying out the act. Therefore, if determinism implies that people do not have this capacity, we must give up compatibilism. In this article I try to contribute to Van Inwagen's central argument; which concerns free will and determinism, to counter compatibilism and the view that free will is compatible with determinism. I argue why Van Inwagen thinks compatibilism is an ambiguous position and whether or not we have free will. First, compatibilism (determinism) does not claim that human beings are free. It is the statement that everything that happens is determined by prior conditions along with natural laws. According to the textbook, the compatibilist concludes that it is appropriate to speak of the future as "open" if it is a future that would be brought ab...