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A Framework for Priority Arguments


Part of Lecture Notes in Logic

  • Date Published: June 2010
  • availability: In stock
  • format: Hardback
  • isbn: 9780521119696

£ 95.00

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About the Authors
  • This book presents a unifying framework for using priority arguments to prove theorems in computability. Priority arguments provide the most powerful theorem-proving technique in the field, but most of the applications of this technique are ad hoc, masking the unifying principles used in the proofs. The proposed framework presented isolates many of these unifying combinatorial principles and uses them to give shorter and easier-to-follow proofs of computability-theoretic theorems. Standard theorems of priority levels 1, 2, and 3 are chosen to demonstrate the framework's use, with all proofs following the same pattern. The last section features a new example requiring priority at all finite levels. The book will serve as a resource and reference for researchers in logic and computability, helping them to prove theorems in a shorter and more transparent manner.

    • Presents a new approach to priority argument proofs in computability theory using a framework
    • Presents isolation of the general combinatorial properties used in priority arguments from the techniques special to particular theorems
    • Offers a presentation of shorter proofs of standard computability-theoretic theorems at lower levels, all following the same pattern; a new and greatly simplified proof of a theorem whose proof uses priority arguments at all finite levels
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    Product details

    • Date Published: June 2010
    • format: Hardback
    • isbn: 9780521119696
    • length: 192 pages
    • dimensions: 235 x 158 x 15 mm
    • weight: 0.38kg
    • availability: In stock
  • Table of Contents

    1. Introduction
    2. Systems of trees of strategies
    3. Σ1 constructions
    4. Δ2 constructions
    5. µ2 constructions
    6. Δ3 constructions
    7. Σ3 constructions
    8. Paths and links
    9. Backtracking
    10. Higher level constructions
    11. Infinite systems of trees.

  • Author

    Manuel Lerman, University of Connecticut
    Manuel Lerman is a Professor Emeritus of the Department of Mathematics at the University of Connecticut. He is the author of Degrees of Unsolvability: Local and Global Theory, has been the managing editor for the book series Perspectives in Mathematical Logic, has been an editor of Bulletin for Symbolic Logic, and is an editor of the ASL's Lecture Notes in Logic series.

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