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\begin{isabellebody}%
\def\isabellecontext{Syntax}%
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\isatagtheory
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\ Syntax\isanewline
\isakeyword{imports}\ Base\isanewline
\isakeyword{begin}%
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\isamarkupchapter{Concrete syntax and type-checking%
}
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\begin{isamarkuptext}%
FIXME%
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\isamarkupsection{Reading and pretty printing \label{sec:read-print}%
}
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\begin{isamarkuptext}%
FIXME%
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\begin{isamarkuptext}%
\begin{mldecls}
  \indexdef{}{ML}{Syntax.read\_typ}\verb|Syntax.read_typ: Proof.context -> string -> typ| \\
  \indexdef{}{ML}{Syntax.read\_term}\verb|Syntax.read_term: Proof.context -> string -> term| \\
  \indexdef{}{ML}{Syntax.read\_prop}\verb|Syntax.read_prop: Proof.context -> string -> term| \\
  \indexdef{}{ML}{Syntax.pretty\_typ}\verb|Syntax.pretty_typ: Proof.context -> typ -> Pretty.T| \\
  \indexdef{}{ML}{Syntax.pretty\_term}\verb|Syntax.pretty_term: Proof.context -> term -> Pretty.T| \\
  \end{mldecls}

  \begin{description}

  \item FIXME

  \end{description}%
\end{isamarkuptext}%
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\isamarkupsection{Parsing and unparsing \label{sec:parse-unparse}%
}
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\begin{isamarkuptext}%
FIXME%
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\begin{isamarkuptext}%
\begin{mldecls}
  \indexdef{}{ML}{Syntax.parse\_typ}\verb|Syntax.parse_typ: Proof.context -> string -> typ| \\
  \indexdef{}{ML}{Syntax.parse\_term}\verb|Syntax.parse_term: Proof.context -> string -> term| \\
  \indexdef{}{ML}{Syntax.parse\_prop}\verb|Syntax.parse_prop: Proof.context -> string -> term| \\
  \indexdef{}{ML}{Syntax.unparse\_typ}\verb|Syntax.unparse_typ: Proof.context -> typ -> Pretty.T| \\
  \indexdef{}{ML}{Syntax.unparse\_term}\verb|Syntax.unparse_term: Proof.context -> term -> Pretty.T| \\
  \end{mldecls}

  \begin{description}

  \item FIXME

  \end{description}%
\end{isamarkuptext}%
\isamarkuptrue%
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\isamarkupsection{Checking and unchecking \label{sec:term-check}%
}
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\begin{isamarkuptext}%
FIXME%
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\isadelimmlref
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\begin{isamarkuptext}%
\begin{mldecls}
  \indexdef{}{ML}{Syntax.check\_typs}\verb|Syntax.check_typs: Proof.context -> typ list -> typ list| \\
  \indexdef{}{ML}{Syntax.check\_terms}\verb|Syntax.check_terms: Proof.context -> term list -> term list| \\
  \indexdef{}{ML}{Syntax.check\_props}\verb|Syntax.check_props: Proof.context -> term list -> term list| \\
  \indexdef{}{ML}{Syntax.uncheck\_typs}\verb|Syntax.uncheck_typs: Proof.context -> typ list -> typ list| \\
  \indexdef{}{ML}{Syntax.uncheck\_terms}\verb|Syntax.uncheck_terms: Proof.context -> term list -> term list| \\
  \end{mldecls}

  \begin{description}

  \item FIXME

  \end{description}%
\end{isamarkuptext}%
\isamarkuptrue%
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\isamarkupsection{Syntax translations%
}
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\begin{isamarkuptext}%
FIXME%
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\isamarkuptrue%
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\isadelimmlantiq
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\isatagmlantiq
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\begin{isamarkuptext}%
\begin{matharray}{rcl}
  \indexdef{}{ML antiquotation}{class\_syntax}\hypertarget{ML antiquotation.class-syntax}{\hyperlink{ML antiquotation.class-syntax}{\mbox{\isa{class{\isaliteral{5F}{\isacharunderscore}}syntax}}}} & : & \isa{ML{\isaliteral{5F}{\isacharunderscore}}antiquotation} \\
  \indexdef{}{ML antiquotation}{type\_syntax}\hypertarget{ML antiquotation.type-syntax}{\hyperlink{ML antiquotation.type-syntax}{\mbox{\isa{type{\isaliteral{5F}{\isacharunderscore}}syntax}}}} & : & \isa{ML{\isaliteral{5F}{\isacharunderscore}}antiquotation} \\
  \indexdef{}{ML antiquotation}{const\_syntax}\hypertarget{ML antiquotation.const-syntax}{\hyperlink{ML antiquotation.const-syntax}{\mbox{\isa{const{\isaliteral{5F}{\isacharunderscore}}syntax}}}} & : & \isa{ML{\isaliteral{5F}{\isacharunderscore}}antiquotation} \\
  \indexdef{}{ML antiquotation}{syntax\_const}\hypertarget{ML antiquotation.syntax-const}{\hyperlink{ML antiquotation.syntax-const}{\mbox{\isa{syntax{\isaliteral{5F}{\isacharunderscore}}const}}}} & : & \isa{ML{\isaliteral{5F}{\isacharunderscore}}antiquotation} \\
  \end{matharray}

  \begin{railoutput}
\rail@begin{4}{}
\rail@bar
\rail@term{\hyperlink{ML antiquotation.class-syntax}{\mbox{\isa{class{\isaliteral{5F}{\isacharunderscore}}syntax}}}}[]
\rail@nextbar{1}
\rail@term{\hyperlink{ML antiquotation.type-syntax}{\mbox{\isa{type{\isaliteral{5F}{\isacharunderscore}}syntax}}}}[]
\rail@nextbar{2}
\rail@term{\hyperlink{ML antiquotation.const-syntax}{\mbox{\isa{const{\isaliteral{5F}{\isacharunderscore}}syntax}}}}[]
\rail@nextbar{3}
\rail@term{\hyperlink{ML antiquotation.syntax-const}{\mbox{\isa{syntax{\isaliteral{5F}{\isacharunderscore}}const}}}}[]
\rail@endbar
\rail@nont{\isa{name}}[]
\rail@end
\end{railoutput}


  \begin{description}

  \item FIXME

  \end{description}%
\end{isamarkuptext}%
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\end{isabellebody}%
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