Acknowledgements Introduction 1. Aristotle's Categories and the problems of essence and the Universals: sources for early medieval philosophy 2. Logic and theology at the court of Charlemagne 3. Problems of the Categories, essence and the Universals in the work of John Scottus and Ratramnus of Corbie 4. The circle of John Scottus Eriugena 5. Early medieval glosses on the problems of the Categories Conclusion Appendices Bibliography Index.
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