Abstract

Causality has been a key concept throughout the history of philosophy. One of its main uses has been in securing proofs of the existence of God. A review of the history of causality discloses five distinct phases, with major changes to the uses and understanding of causality, with the last ending in a very confused idea of causality. Zubiri pointed out that there are really three elements conflated in the common idea of causality: real production of effects, functionality, and power of the real. By sorting these out, and recognizing that causality in the majority of cases is merely a type of functional relation between "cause" and "effect", many problems are greatly clarified. The type of functionality involved varies greatly, and can involve notions unknown to Aristotle, Hume, or Kant. But especially important is the case of causality involving human beings, since knowledge of direct production of effects is available there that is absent elsewhere. Combined with understanding of the