QED manifesto

The QED manifesto was a proposal for a computer-based database of all mathematical knowledge, strictly formalized and with all proofs having been checked automatically. (Q.E.D. means quod erat demonstrandum in Latin, meaning "which was to be demonstrated.")

Overview

The idea for the project arose in 1993, mainly under the impetus of Robert Boyer. The goals of the project, tentatively named QED project or project QED, were outlined in the QED manifesto, a document first published in 1994, with input from several researchers.[1] Explicit authorship was deliberately avoided. A dedicated mailing list was created, and two scientific conferences on QED took place, the first one in 1994 at Argonne National Laboratories and the second in 1995 in Warsaw organized by the Mizar group.[2]

The project seems to have dissolved by 1996, never having produced more than discussions and plans. In a 2007 paper, Freek Wiedijk identifies two reasons for the failure of the project.[3] In order of importance:

  • Very few people are working on formalization of mathematics. There is no compelling application for fully mechanized mathematics.
  • Formalized mathematics does not yet resemble real, traditional mathematics. This is partly due to the complexity of mathematical notation, and partly to the limitations of existing theorem provers and proof assistants; the paper finds that the major contenders, Mizar, HOL, and Coq, have serious shortcomings in their abilities to express mathematics.

Nonetheless, QED-style projects are regularly proposed, and the Mizar library has successfully formalized a large portion of undergraduate mathematics. As of 2007 it is the largest such library.[4] Another such project is the Metamath proof database.

In 2014 the Twenty years of the QED Manifesto[5] workshop was organized as part of the Vienna Summer of Logic.

See also

References
  1. The QED Manifesto in Automated Deduction - CADE 12, Springer-Verlag, Lecture Notes in Artificial Intelligence, Vol. 814, pp. 238-251, 1994. HTML version
  2. The QED Workshop II report
  3. Freek Wiedijk, The QED Manifesto Revisited, 2007
  4. Fairouz Kamareddine, Manuel Maarek, Krzysztof Retel, and J. B. Wells, Gradual Computerisation/Formalisation of Mathematical Texts into Mizar
  5. Twenty years of the QED Manifesto workshop

Further reading
  • H. Barendregt & F. Wiedijk, The Challenge of Computer Mathematics, Transactions A of the Royal Society 363 no. 1835, 2351-2375, 2005
  • "A Special Issue on Formal Proof". Notices of the American Mathematical Society. December 2008. (open access issue)
  • Richard A. De Millo, Richard J. Lipton, Alan J. Perlis, Social processes and proofs of theorems and programs, Communications of the ACM, Volume 22, Issue 5 (May 1979), Pages: 271 - 280
  • John Harrison, Formalized Mathematics, Technical Report 36, Turku Centre for Computer Science (TUCS)
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