A Head-to-Head Comparison of de Bruijn Indices and Names

  title={A Head-to-Head Comparison of de Bruijn Indices and Names},
  author={Stefan Berghofer and Christian Urban},
  journal={Electr. Notes Theor. Comput. Sci.},
Often debates about pros and cons of various techniques for formalising lambda-calculi rely on subjective arguments, such as de Bruijn indices are hard to read for humans or nominal approaches come close to the style of reasoning employed in informal proofs. In this paper we will compare four formalisations based on de Bruijn indices and on names from the nominal logic work, thus providing some hard facts about the pros and cons of these two formalisation techniques. We conclude that the… CONTINUE READING
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