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Chapter Summary

This chapter focuses on the question of what Castoriadis calls 'virtual and evanescent singularities'. It would not be overstating the matter to suggest that the significance of the concept of 'magma' ultimately hinges on these two characteristics and the connection between them. The meaning of 'magma' is itself a magma. As Castoriadis shows, the unity of Being conceived by traditional logic-ontology is the unity of an ensemble or set. If the being of a magma is indeterminate, the distinction between one magma and another cannot be determinate either. The mode of being of a magma is already and essentially an 'indefinite plurality' of modes of being. A magma may be determined indefinitely, one may extract from it as many 'ensembles' as one likes up to infinity, and at the end of these operations one will still be left with a magma as residue.

Keywords: Castoriadis; ensembles; magma; ontological indeterminacy



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