Corpus ID: 17263537

Some Remarks on the Definability of Transitive Closure in First-order Logic and Datalog

@inproceedings{June2004SomeRO,
  title={Some Remarks on the Definability of Transitive Closure in First-order Logic and Datalog},
  author={Uwe Keller June},
  year={2004}
}
  • Uwe Keller June
  • Published 2004
In the last WSML phone conference we had a brief discussion about the expressivity of First-order Logic and Datalog resp. the relation between the expressiveness of those two languages. In particular, there has been some confusion around the description of the transitive closure R of some binary relation R. In this short document, we want to clarify the situation and hope to remedy the confusion. 
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