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\begin{isabellebody}%
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\def\isabellecontext{Symbols}%
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%
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\isadelimtheory
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\isanewline
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\isanewline
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%
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\endisadelimtheory
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%
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\isatagtheory
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\isacommand{theory}\isamarkupfalse%
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\ Symbols\isanewline
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\isakeyword{imports}\ Pure\isanewline
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\isakeyword{begin}%
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\endisatagtheory
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{\isafoldtheory}%
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%
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\isadelimtheory
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%
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\endisadelimtheory
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%
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\isamarkupchapter{Standard Isabelle symbols \label{app:symbols}%
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}
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\isamarkuptrue%
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%
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\begin{isamarkuptext}%
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Isabelle supports an infinite number of non-ASCII symbols, which are
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represented in source text as \verb|\|\verb|<|\isa{name}\verb|>| (where \isa{name} may be any identifier). It
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is left to front-end tools how to present these symbols to the user.
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The collection of predefined standard symbols given below is
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available by default for Isabelle document output, due to
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appropriate definitions of \verb|\|\verb|isasym|\isa{name} for each \verb|\|\verb|<|\isa{name}\verb|>| in the \verb|isabellesym.sty| file. Most of these symbols
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are displayed properly in Proof~General if used with the X-Symbol
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package.
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Moreover, any single symbol (or ASCII character) may be prefixed by
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\verb|\|\verb|<^sup>|, for superscript and \verb|\|\verb|<^sub>|, for subscript, such as \verb|A\|\verb|<^sup>\<star>|, for \isa{{\isachardoublequote}A\isactrlsup {\isasymstar}{\isachardoublequote}} the alternative
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versions \verb|\|\verb|<^isub>| and \verb|\|\verb|<^isup>| are considered as quasi letters and may
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be used within identifiers. Sub- and superscripts that span a
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region of text are marked up with \verb|\|\verb|<^bsub>|\isa{{\isachardoublequote}{\isasymdots}{\isachardoublequote}}\verb|\|\verb|<^esub>|, and
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\verb|\|\verb|<^bsup>|\isa{{\isachardoublequote}{\isasymdots}{\isachardoublequote}}\verb|\|\verb|<^esup>| respectively. Furthermore, all ASCII
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characters and most other symbols may be printed in bold by
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prefixing \verb|\|\verb|<^bold>| such as \verb|\|\verb|<^bold>\|\verb|<alpha>| for \isa{{\isachardoublequote}\isactrlbold {\isasymalpha}{\isachardoublequote}}. Note that \verb|\|\verb|<^bold>|, may
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\emph{not} be combined with sub- or superscripts for single symbols.
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Further details of Isabelle document preparation are covered in
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\chref{ch:present}.
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\begin{center}
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\begin{isabellebody}
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\input{syms}
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\end{isabellebody}
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\end{center}%
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\end{isamarkuptext}%
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\isamarkuptrue%
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%
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\isadelimtheory
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%
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\endisadelimtheory
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%
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\isatagtheory
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\isacommand{end}\isamarkupfalse%
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%
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\endisatagtheory
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{\isafoldtheory}%
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%
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\isadelimtheory
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%
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\endisadelimtheory
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\end{isabellebody}%
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%%% Local Variables:
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%%% mode: latex
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%%% TeX-master: "root"
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%%% End:
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