author boehmes
Tue, 07 Dec 2010 15:44:38 +0100
changeset 41064 0c447a17770a
parent 39884 a16b18fd6299
child 42511 bf89455ccf9d
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updated SMT certificates



  \\[4ex] The Isabelle/Isar Implementation}
\author{\emph{Makarius Wenzel}  \\[3ex]
  With Contributions by
  Florian Haftmann
  and Larry Paulson





  We describe the key concepts underlying the Isabelle/Isar
  implementation, including ML references for the most important
  functions.  The aim is to give some insight into the overall system
  architecture, and provide clues on implementing applications within
  this framework.


  {\small\em Isabelle was not designed; it evolved.  Not everyone
    likes this idea.  Specification experts rightly abhor
    trial-and-error programming.  They suggest that no one should
    write a program without first writing a complete formal
    specification. But university departments are not software houses.
    Programs like Isabelle are not products: when they have served
    their purpose, they are discarded.}

  Lawrence C. Paulson, ``Isabelle: The Next 700 Theorem Provers''


  {\small\em As I did 20 years ago, I still fervently believe that the
    only way to make software secure, reliable, and fast is to make it
    small.  Fight features.}

  Andrew S. Tanenbaum


  {\small\em One thing that UNIX does not need is more features. It is
    successful in part because it has a small number of good ideas
    that work well together. Merely adding features does not make it
    easier for users to do things --- it just makes the manual
    thicker. The right solution in the right place is always more
    effective than haphazard hacking.}

  Rob Pike and Brian W. Kernighan






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