One of the most contentious of Castoriadis' ideas is his concept of creatio ex nihilo (creation from nothing). This article elucidates and evaluates this concept of creation, contrasting Castoriadis' approach with its classical antithesis in the philosophy of Parmenides, who famously concluded that the universe muct be unchanging since nothing can come to be or cease to be.

As a work of social theory, I would argue that it belongs in a class with the writings of Habermas and Arendt". -- Jay Bernstein, University of Essex This is one of the most original and important works of contemporary European thought.