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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
 =?utf-8?Q?=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Ada principles outside of Ada
Date: Sun, 05 Aug 2012 23:32:27 +0200
Organization: Ada @ Home
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Date: 2012-08-05T23:32:27+02:00
List-Id: <comp.lang.ada>

Hi people,

Just for fun, two quotes from a captivating thesis about Isabelle, a pro=
of  =

assistance and authoring environment, which has some words Ada users may=
  =

recognize as their own typical words.


In Markus Wenzel's 2001 thesis,
titled =E2=80=9CIsabelle/Isar =E2=80=94 a versatile environment for huma=
n-readable formal  =

proof documents=E2=80=9D
http://tumb1.biblio.tu-muenchen.de/publ/diss/in/2002/wenzel.pdf

Page 18 (printed page 4)

   =E2=80=9CHere the primitive layer consists of abstract theorem
    constructors of the inference kernel, according to
    'Correctness by Construction' by Milner.=E2=80=9D


Page 27 (printed page 13), talking about the Isar language design  =

rationals:

   =E2=80=9CPrimacy of readability over writability.=E2=80=9D


I may have a later question regarding Ada and SPARK and Isabelle.

-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D [1]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [1]
[1]: Epigrams on Programming =E2=80=94 Alan J. =E2=80=94 P. Yale Univers=
ity