To assess the point to which free will is compatible with Determinism, one must first consider other approaches to the concept of free will and whether we, in fact, possess it. A Hard Determinist, such as Honderich, would claim that individuals are not free to initiate actions or make moral decisions, by this means making the concept of moral responsibility unnecessary. Any moral decisions we make have uncontrollable prior causes. Therefore, a Hard Determinist would support the premise that free will and Determinism are not compatible with one another. Completely different to Hard Determinism is Libertarianism, with which free will is closely compatible. Proponents of this position, such as Kant, maintain that we are all free and should take full moral responsibility for our actions. Between these two extremes stands Compatibilism.
Classical Compatibilists, such as Hume, state that most moral decisions are the result of both external determined forces and an internal act of volition or will. In fact, they go so far as to say that true freedom requires causation, without which there would be randomness. Undeniably then, the idea of free will is incompatible with Hard Determinism. A Compatibilist or Soft