Determinism is the general philosophical thesis that states that for everything that ever happens there are conditions such that, given them, nothing else could happen. The several versions of this thesis rest upon various alleged connections and interdependencies of things and events, asserting that these hold without exception.

There have been many versions of deterministic theories in the history of philosophy, springing from diverse motives and considerations, some of which overlap considerably. We shall consider these in the order in which they have been historically significant, together with certain alternative theories that philosophers have proposed. There are five theories of determinism to be considered, which can for convenience be called ethical determinism, logical determinism, theological determinism, physical determinism, and psychological determinism.

Ethical Determinism

Advocates

It seemed to Socrates that every man always chooses what seems to him best, that no man can...