doc-src/TutorialI/Misc/document/fakenat.tex
author bulwahn
Tue, 03 Nov 2009 10:36:20 +0100
changeset 33405 5c1928d5db38
parent 17187 45bee2f6e61f
child 40406 313a24b66a8d
permissions -rw-r--r--
adding testcases for code inlining, sets and numerals to the example files of the predicate compiler and its quickcheck prototype; disabling length example

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\begin{isabellebody}%
\def\isabellecontext{fakenat}%
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\isadelimtheory
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\endisadelimtheory
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\isatagtheory
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\endisatagtheory
{\isafoldtheory}%
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\isadelimtheory
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\endisadelimtheory
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\begin{isamarkuptext}%
\noindent
The type \tydx{nat} of natural
numbers is predefined to have the constructors \cdx{0} and~\cdx{Suc}.  It  behaves as if it were declared like this:%
\end{isamarkuptext}%
\isamarkuptrue%
\isacommand{datatype}\isamarkupfalse%
\ nat\ {\isacharequal}\ {\isadigit{0}}\ {\isacharbar}\ Suc\ nat%
\isadelimtheory
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\endisadelimtheory
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\isatagtheory
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\endisatagtheory
{\isafoldtheory}%
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\isadelimtheory
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\endisadelimtheory
\end{isabellebody}%
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