doc-src/Main/Docs/document/Main_Doc.tex

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\begin{isamarkuptext}%
\begin{abstract}
This document lists the main types, functions and syntax provided by theory \isa{Main}. It is meant as a quick overview of what is available. The sophisticated class structure is only hinted at. For details see \url{http://isabelle.in.tum.de/dist/library/HOL/}.
\end{abstract}

\section{HOL}

The basic logic: \isa{x\ {\isaliteral{3D}{\isacharequal}}\ y}, \isa{True}, \isa{False}, \isa{{\isaliteral{5C3C6E6F743E}{\isasymnot}}\ P}, \isa{P\ {\isaliteral{5C3C616E643E}{\isasymand}}\ Q}, \isa{P\ {\isaliteral{5C3C6F723E}{\isasymor}}\ Q}, \isa{P\ {\isaliteral{5C3C6C6F6E6772696768746172726F773E}{\isasymlongrightarrow}}\ Q}, \isa{{\isaliteral{5C3C666F72616C6C3E}{\isasymforall}}x{\isaliteral{2E}{\isachardot}}\ P}, \isa{{\isaliteral{5C3C6578697374733E}{\isasymexists}}x{\isaliteral{2E}{\isachardot}}\ P}, \isa{{\isaliteral{5C3C6578697374733E}{\isasymexists}}{\isaliteral{21}{\isacharbang}}x{\isaliteral{2E}{\isachardot}}\ P}, \isa{THE\ x{\isaliteral{2E}{\isachardot}}\ P}.
\smallskip

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{undefined} & \isa{{\isaliteral{27}{\isacharprime}}a}\\
\isa{default} & \isa{{\isaliteral{27}{\isacharprime}}a}\\
\end{tabular}

\subsubsection*{Syntax}

\begin{supertabular}{@ {} l @ {\quad$\equiv$\quad} l l @ {}}
\isa{x\ {\isaliteral{5C3C6E6F7465713E}{\isasymnoteq}}\ y} & \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C6E6F743E}{\isasymnot}}\ {\isaliteral{28}{\isacharparenleft}}x\ {\isaliteral{3D}{\isacharequal}}\ y{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}} & (\verb$~=$)\\
\isa{{\isaliteral{22}{\isachardoublequote}}P\ {\isaliteral{5C3C6C6F6E676C65667472696768746172726F773E}{\isasymlongleftrightarrow}}\ Q{\isaliteral{22}{\isachardoublequote}}} & \isa{P\ {\isaliteral{3D}{\isacharequal}}\ Q} \\
\isa{if\ x\ then\ y\ else\ z} & \isa{{\isaliteral{22}{\isachardoublequote}}If\ x\ y\ z{\isaliteral{22}{\isachardoublequote}}}\\
\isa{let\ x\ {\isaliteral{3D}{\isacharequal}}\ e\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}\ in\ e\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{2}}} & \isa{{\isaliteral{22}{\isachardoublequote}}Let\ e\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ e\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{2}}{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\end{supertabular}


\section{Orderings}

A collection of classes defining basic orderings:
preorder, partial order, linear order, dense linear order and wellorder.
\smallskip

\begin{supertabular}{@ {} l @ {~::~} l l @ {}}
\isa{op\ {\isaliteral{5C3C6C653E}{\isasymle}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool} & (\verb$<=$)\\
\isa{op\ {\isaliteral{3C}{\isacharless}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{Least} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{min} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{max} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{top} & \isa{{\isaliteral{27}{\isacharprime}}a}\\
\isa{bot} & \isa{{\isaliteral{27}{\isacharprime}}a}\\
\isa{mono} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{strict{\isaliteral{5F}{\isacharunderscore}}mono} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{supertabular}{@ {} l @ {\quad$\equiv$\quad} l l @ {}}
\isa{{\isaliteral{22}{\isachardoublequote}}x\ {\isaliteral{5C3C67653E}{\isasymge}}\ y{\isaliteral{22}{\isachardoublequote}}} & \isa{y\ {\isaliteral{5C3C6C653E}{\isasymle}}\ x} & (\verb$>=$)\\
\isa{{\isaliteral{22}{\isachardoublequote}}x\ {\isaliteral{3E}{\isachargreater}}\ y{\isaliteral{22}{\isachardoublequote}}} & \isa{y\ {\isaliteral{3C}{\isacharless}}\ x}\\
\isa{{\isaliteral{5C3C666F72616C6C3E}{\isasymforall}}x{\isaliteral{5C3C6C653E}{\isasymle}}y{\isaliteral{2E}{\isachardot}}\ P} & \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C666F72616C6C3E}{\isasymforall}}x{\isaliteral{2E}{\isachardot}}\ x\ {\isaliteral{5C3C6C653E}{\isasymle}}\ y\ {\isaliteral{5C3C6C6F6E6772696768746172726F773E}{\isasymlongrightarrow}}\ P{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C6578697374733E}{\isasymexists}}x{\isaliteral{5C3C6C653E}{\isasymle}}y{\isaliteral{2E}{\isachardot}}\ P} & \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C6578697374733E}{\isasymexists}}x{\isaliteral{2E}{\isachardot}}\ x\ {\isaliteral{5C3C6C653E}{\isasymle}}\ y\ {\isaliteral{5C3C616E643E}{\isasymand}}\ P{\isaliteral{22}{\isachardoublequote}}}\\
\multicolumn{2}{@ {}l@ {}}{Similarly for $<$, $\ge$ and $>$}\\
\isa{LEAST\ x{\isaliteral{2E}{\isachardot}}\ P} & \isa{{\isaliteral{22}{\isachardoublequote}}Least\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ P{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\end{supertabular}


\section{Lattices}

Classes semilattice, lattice, distributive lattice and complete lattice (the
latter in theory \isa{Set}).

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{inf} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{sup} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{Inf} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{Sup} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\end{tabular}

\subsubsection*{Syntax}

Available by loading theory \isa{Lattice{\isaliteral{5F}{\isacharunderscore}}Syntax} in directory \isa{Library}.

\begin{supertabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{{\isaliteral{22}{\isachardoublequote}}x\ {\isaliteral{5C3C737173756273657465713E}{\isasymsqsubseteq}}\ y{\isaliteral{22}{\isachardoublequote}}} & \isa{x\ {\isaliteral{5C3C6C653E}{\isasymle}}\ y}\\
\isa{{\isaliteral{22}{\isachardoublequote}}x\ {\isaliteral{5C3C73717375627365743E}{\isasymsqsubset}}\ y{\isaliteral{22}{\isachardoublequote}}} & \isa{x\ {\isaliteral{3C}{\isacharless}}\ y}\\
\isa{{\isaliteral{22}{\isachardoublequote}}x\ {\isaliteral{5C3C7371696E7465723E}{\isasymsqinter}}\ y{\isaliteral{22}{\isachardoublequote}}} & \isa{inf\ x\ y}\\
\isa{{\isaliteral{22}{\isachardoublequote}}x\ {\isaliteral{5C3C7371756E696F6E3E}{\isasymsqunion}}\ y{\isaliteral{22}{\isachardoublequote}}} & \isa{sup\ x\ y}\\
\isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C5371696E7465723E}{\isasymSqinter}}\ A{\isaliteral{22}{\isachardoublequote}}} & \isa{Sup\ A}\\
\isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C5371756E696F6E3E}{\isasymSqunion}}\ A{\isaliteral{22}{\isachardoublequote}}} & \isa{Inf\ A}\\
\isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C746F703E}{\isasymtop}}{\isaliteral{22}{\isachardoublequote}}} & \isa{top}\\
\isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C626F74746F6D3E}{\isasymbottom}}{\isaliteral{22}{\isachardoublequote}}} & \isa{bot}\\
\end{supertabular}


\section{Set}

Sets are predicates: \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{27}{\isacharprime}}a\ set\ \ {\isaliteral{3D}{\isacharequal}}\ \ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{22}{\isachardoublequote}}}
\bigskip

\begin{supertabular}{@ {} l @ {~::~} l l @ {}}
\isa{{\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{insert} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{Collect} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{op\ {\isaliteral{5C3C696E3E}{\isasymin}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool} & (\texttt{:})\\
\isa{op\ {\isaliteral{5C3C756E696F6E3E}{\isasymunion}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set} & (\texttt{Un})\\
\isa{op\ {\isaliteral{5C3C696E7465723E}{\isasyminter}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set} & (\texttt{Int})\\
\isa{UNION} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set}\\
\isa{INTER} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set}\\
\isa{Union} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{Inter} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{Pow} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ set}\\
\isa{UNIV} & \isa{{\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{op\ {\isaliteral{60}{\isacharbackquote}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set}\\
\isa{Ball} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{Bex} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{supertabular}{@ {} l @ {\quad$\equiv$\quad} l l @ {}}
\isa{{\isaliteral{7B}{\isacharbraceleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{2C}{\isacharcomma}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{2C}{\isacharcomma}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{7D}{\isacharbraceright}}} & \isa{insert\ x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C646F74733E}{\isasymdots}}\ {\isaliteral{28}{\isacharparenleft}}insert\ x\isaliteral{5C3C5E697375623E}{}\isactrlisub n\ {\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{7D}{\isacharbraceright}}{\isaliteral{29}{\isacharparenright}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{29}{\isacharparenright}}}\\
\isa{x\ {\isaliteral{5C3C6E6F74696E3E}{\isasymnotin}}\ A} & \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C6E6F743E}{\isasymnot}}{\isaliteral{28}{\isacharparenleft}}x\ {\isaliteral{5C3C696E3E}{\isasymin}}\ A{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{A\ {\isaliteral{5C3C73756273657465713E}{\isasymsubseteq}}\ B} & \isa{{\isaliteral{22}{\isachardoublequote}}A\ {\isaliteral{5C3C6C653E}{\isasymle}}\ B{\isaliteral{22}{\isachardoublequote}}}\\
\isa{A\ {\isaliteral{5C3C7375627365743E}{\isasymsubset}}\ B} & \isa{{\isaliteral{22}{\isachardoublequote}}A\ {\isaliteral{3C}{\isacharless}}\ B{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{22}{\isachardoublequote}}A\ {\isaliteral{5C3C73757073657465713E}{\isasymsupseteq}}\ B{\isaliteral{22}{\isachardoublequote}}} & \isa{{\isaliteral{22}{\isachardoublequote}}B\ {\isaliteral{5C3C6C653E}{\isasymle}}\ A{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{22}{\isachardoublequote}}A\ {\isaliteral{5C3C7375707365743E}{\isasymsupset}}\ B{\isaliteral{22}{\isachardoublequote}}} & \isa{{\isaliteral{22}{\isachardoublequote}}B\ {\isaliteral{3C}{\isacharless}}\ A{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}x{\isaliteral{2E}{\isachardot}}\ P{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}Collect\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ P{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C556E696F6E3E}{\isasymUnion}}x{\isaliteral{5C3C696E3E}{\isasymin}}I{\isaliteral{2E}{\isachardot}}\ A} & \isa{{\isaliteral{22}{\isachardoublequote}}UNION\ I\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ A{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}} & (\texttt{UN})\\
\isa{{\isaliteral{5C3C556E696F6E3E}{\isasymUnion}}x{\isaliteral{2E}{\isachardot}}\ A} & \isa{{\isaliteral{22}{\isachardoublequote}}UNION\ UNIV\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ A{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C496E7465723E}{\isasymInter}}x{\isaliteral{5C3C696E3E}{\isasymin}}I{\isaliteral{2E}{\isachardot}}\ A} & \isa{{\isaliteral{22}{\isachardoublequote}}INTER\ I\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ A{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}} & (\texttt{INT})\\
\isa{{\isaliteral{5C3C496E7465723E}{\isasymInter}}x{\isaliteral{2E}{\isachardot}}\ A} & \isa{{\isaliteral{22}{\isachardoublequote}}INTER\ UNIV\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ A{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C666F72616C6C3E}{\isasymforall}}x{\isaliteral{5C3C696E3E}{\isasymin}}A{\isaliteral{2E}{\isachardot}}\ P} & \isa{{\isaliteral{22}{\isachardoublequote}}Ball\ A\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ P{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C6578697374733E}{\isasymexists}}x{\isaliteral{5C3C696E3E}{\isasymin}}A{\isaliteral{2E}{\isachardot}}\ P} & \isa{{\isaliteral{22}{\isachardoublequote}}Bex\ A\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ P{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{range\ f} & \isa{{\isaliteral{22}{\isachardoublequote}}f\ {\isaliteral{60}{\isacharbackquote}}\ UNIV{\isaliteral{22}{\isachardoublequote}}}\\
\end{supertabular}


\section{Fun}

\begin{supertabular}{@ {} l @ {~::~} l l @ {}}
\isa{id} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ {\isaliteral{5C3C636972633E}{\isasymcirc}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}c\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}c\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b} & (\texttt{o})\\
\isa{inj{\isaliteral{5F}{\isacharunderscore}}on} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{inj} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{surj} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{bij} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{bij{\isaliteral{5F}{\isacharunderscore}}betw} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{fun{\isaliteral{5F}{\isacharunderscore}}upd} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{f{\isaliteral{28}{\isacharparenleft}}x\ {\isaliteral{3A}{\isacharcolon}}{\isaliteral{3D}{\isacharequal}}\ y{\isaliteral{29}{\isacharparenright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}fun{\isaliteral{5F}{\isacharunderscore}}upd\ f\ x\ y{\isaliteral{22}{\isachardoublequote}}}\\
\isa{f{\isaliteral{28}{\isacharparenleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{3A}{\isacharcolon}}{\isaliteral{3D}{\isacharequal}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{2C}{\isacharcomma}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{2C}{\isacharcomma}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{3A}{\isacharcolon}}{\isaliteral{3D}{\isacharequal}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{29}{\isacharparenright}}} & \isa{f{\isaliteral{28}{\isacharparenleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{3A}{\isacharcolon}}{\isaliteral{3D}{\isacharequal}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{29}{\isacharparenright}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{28}{\isacharparenleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{3A}{\isacharcolon}}{\isaliteral{3D}{\isacharequal}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{29}{\isacharparenright}}}\\
\end{tabular}


\section{Hilbert\_Choice}

Hilbert's selection ($\varepsilon$) operator: \isa{SOME\ x{\isaliteral{2E}{\isachardot}}\ P}.
\smallskip

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{inv{\isaliteral{5F}{\isacharunderscore}}into} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}
\end{tabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{inv} & \isa{{\isaliteral{22}{\isachardoublequote}}inv{\isaliteral{5F}{\isacharunderscore}}into\ UNIV{\isaliteral{22}{\isachardoublequote}}}
\end{tabular}

\section{Fixed Points}

Theory: \isa{Inductive}.

Least and greatest fixed points in a complete lattice \isa{{\isaliteral{27}{\isacharprime}}a}:

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{lfp} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{gfp} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\end{tabular}

Note that in particular sets (\isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}) are complete lattices.

\section{Sum\_Type}

Type constructor \isa{{\isaliteral{2B}{\isacharplus}}}.

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{Inl} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{2B}{\isacharplus}}\ {\isaliteral{27}{\isacharprime}}b}\\
\isa{Inr} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{2B}{\isacharplus}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ {\isaliteral{3C}{\isacharless}}{\isaliteral{2B}{\isacharplus}}{\isaliteral{3E}{\isachargreater}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{2B}{\isacharplus}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set}
\end{tabular}


\section{Product\_Type}

Types \isa{unit} and \isa{{\isaliteral{5C3C74696D65733E}{\isasymtimes}}}.

\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{29}{\isacharparenright}}} & \isa{unit}\\
\isa{Pair} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b}\\
\isa{fst} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{snd} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b}\\
\isa{split} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}c{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}c}\\
\isa{curry} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}c{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}c}\\
\isa{Sigma} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} ll @ {}}
\isa{{\isaliteral{28}{\isacharparenleft}}a{\isaliteral{2C}{\isacharcomma}}\ b{\isaliteral{29}{\isacharparenright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}Pair\ a\ b{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}{\isaliteral{28}{\isacharparenleft}}x{\isaliteral{2C}{\isacharcomma}}\ y{\isaliteral{29}{\isacharparenright}}{\isaliteral{2E}{\isachardot}}\ t} & \isa{{\isaliteral{22}{\isachardoublequote}}split\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x\ y{\isaliteral{2E}{\isachardot}}\ t{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{A\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ B} &  \isa{Sigma\ A\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}\_{\isaliteral{2E}{\isachardot}}\ B{\isaliteral{29}{\isacharparenright}}} & (\verb$<*>$)
\end{tabular}

Pairs may be nested. Nesting to the right is printed as a tuple,
e.g.\ \mbox{\isa{{\isaliteral{28}{\isacharparenleft}}a{\isaliteral{2C}{\isacharcomma}}\ b{\isaliteral{2C}{\isacharcomma}}\ c{\isaliteral{29}{\isacharparenright}}}} is really \mbox{\isa{{\isaliteral{28}{\isacharparenleft}}a{\isaliteral{2C}{\isacharcomma}}\ {\isaliteral{28}{\isacharparenleft}}b{\isaliteral{2C}{\isacharcomma}}\ c{\isaliteral{29}{\isacharparenright}}{\isaliteral{29}{\isacharparenright}}}.}
Pattern matching with pairs and tuples extends to all binders,
e.g.\ \mbox{\isa{{\isaliteral{5C3C666F72616C6C3E}{\isasymforall}}{\isaliteral{28}{\isacharparenleft}}x{\isaliteral{2C}{\isacharcomma}}\ y{\isaliteral{29}{\isacharparenright}}{\isaliteral{5C3C696E3E}{\isasymin}}A{\isaliteral{2E}{\isachardot}}\ P},} \isa{{\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{28}{\isacharparenleft}}x{\isaliteral{2C}{\isacharcomma}}\ y{\isaliteral{29}{\isacharparenright}}{\isaliteral{2E}{\isachardot}}\ P{\isaliteral{7D}{\isacharbraceright}}}, etc.


\section{Relation}

\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{converse} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{op\ O} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}c{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}c{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{op\ {\isaliteral{60}{\isacharbackquote}}{\isaliteral{60}{\isacharbackquote}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set}\\
\isa{inv{\isaliteral{5F}{\isacharunderscore}}image} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{Id{\isaliteral{5F}{\isacharunderscore}}on} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{Id} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{Domain} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{Range} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set}\\
\isa{Field} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{refl{\isaliteral{5F}{\isacharunderscore}}on} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{refl} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{sym} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{antisym} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{trans} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{irrefl} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{total{\isaliteral{5F}{\isacharunderscore}}on} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{total} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l l @ {}}
\isa{r{\isaliteral{5C3C696E76657273653E}{\isasyminverse}}} & \isa{{\isaliteral{22}{\isachardoublequote}}converse\ r{\isaliteral{22}{\isachardoublequote}}} & (\verb$^-1$)
\end{tabular}

\section{Equiv\_Relations}

\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{equiv} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{op\ {\isaliteral{2F}{\isacharslash}}{\isaliteral{2F}{\isacharslash}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ set}\\
\isa{congruent} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{congruent{\isadigit{2}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}c{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
%@ {const Equiv_Relations.} & @ {term_type_only Equiv_Relations. ""}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{f\ respects\ r} & \isa{{\isaliteral{22}{\isachardoublequote}}congruent\ r\ f{\isaliteral{22}{\isachardoublequote}}}\\
\isa{f\ respects{\isadigit{2}}\ r} & \isa{{\isaliteral{22}{\isachardoublequote}}congruent{\isadigit{2}}\ r\ r\ f{\isaliteral{22}{\isachardoublequote}}}\\
\end{tabular}


\section{Transitive\_Closure}

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{rtrancl} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{trancl} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{reflcl} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{op\ {\isaliteral{5E}{\isacharcircum}}{\isaliteral{5E}{\isacharcircum}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\end{tabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l l @ {}}
\isa{r\isaliteral{5C3C5E7375703E}{}\isactrlsup {\isaliteral{2A}{\isacharasterisk}}} & \isa{{\isaliteral{22}{\isachardoublequote}}rtrancl\ r{\isaliteral{22}{\isachardoublequote}}} & (\verb$^*$)\\
\isa{r\isaliteral{5C3C5E7375703E}{}\isactrlsup {\isaliteral{2B}{\isacharplus}}} & \isa{{\isaliteral{22}{\isachardoublequote}}trancl\ r{\isaliteral{22}{\isachardoublequote}}} & (\verb$^+$)\\
\isa{r\isaliteral{5C3C5E7375703E}{}\isactrlsup {\isaliteral{3D}{\isacharequal}}} & \isa{{\isaliteral{22}{\isachardoublequote}}reflcl\ r{\isaliteral{22}{\isachardoublequote}}} & (\verb$^=$)
\end{tabular}


\section{Algebra}

Theories \isa{Groups}, \isa{Rings}, \isa{Fields} and \isa{Divides} define a large collection of classes describing common algebraic
structures from semigroups up to fields. Everything is done in terms of
overloaded operators:

\begin{supertabular}{@ {} l @ {~::~} l l @ {}}
\isa{{\isadigit{0}}} & \isa{{\isaliteral{27}{\isacharprime}}a}\\
\isa{{\isadigit{1}}} & \isa{{\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ {\isaliteral{2B}{\isacharplus}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ {\isaliteral{2D}{\isacharminus}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{uminus} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a} & (\verb$-$)\\
\isa{op\ {\isaliteral{2A}{\isacharasterisk}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{inverse} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ {\isaliteral{2F}{\isacharslash}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{abs} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{sgn} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ dvd} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{op\ div} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ mod} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{{\isaliteral{5C3C6261723E}{\isasymbar}}x{\isaliteral{5C3C6261723E}{\isasymbar}}} & \isa{{\isaliteral{22}{\isachardoublequote}}abs\ x{\isaliteral{22}{\isachardoublequote}}}
\end{tabular}


\section{Nat}

\isa{\isacommand{datatype}\ nat\ {\isaliteral{3D}{\isacharequal}}\ {\isadigit{0}}\ {\isaliteral{7C}{\isacharbar}}\ Suc\ nat}
\bigskip

\begin{tabular}{@ {} lllllll @ {}}
\isa{op\ {\isaliteral{2B}{\isacharplus}}} &
\isa{op\ {\isaliteral{2D}{\isacharminus}}} &
\isa{op\ {\isaliteral{2A}{\isacharasterisk}}} &
\isa{op\ div}&
\isa{op\ mod}&
\isa{op\ dvd}\\
\isa{op\ {\isaliteral{5C3C6C653E}{\isasymle}}} &
\isa{op\ {\isaliteral{3C}{\isacharless}}} &
\isa{min} &
\isa{max} &
\isa{Min} &
\isa{Max}\\
\end{tabular}

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{of{\isaliteral{5F}{\isacharunderscore}}nat} & \isa{nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{op\ {\isaliteral{5E}{\isacharcircum}}{\isaliteral{5E}{\isacharcircum}}} &
  \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}
\end{tabular}

\section{Int}

Type \isa{int}
\bigskip

\begin{tabular}{@ {} llllllll @ {}}
\isa{op\ {\isaliteral{2B}{\isacharplus}}} &
\isa{op\ {\isaliteral{2D}{\isacharminus}}} &
\isa{uminus} &
\isa{op\ {\isaliteral{2A}{\isacharasterisk}}} &
\isa{op\ {\isaliteral{5E}{\isacharcircum}}} &
\isa{op\ div}&
\isa{op\ mod}&
\isa{op\ dvd}\\
\isa{op\ {\isaliteral{5C3C6C653E}{\isasymle}}} &
\isa{op\ {\isaliteral{3C}{\isacharless}}} &
\isa{min} &
\isa{max} &
\isa{Min} &
\isa{Max}\\
\isa{abs} &
\isa{sgn}\\
\end{tabular}

\begin{tabular}{@ {} l @ {~::~} l l @ {}}
\isa{nat} & \isa{int\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat}\\
\isa{of{\isaliteral{5F}{\isacharunderscore}}int} & \isa{int\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{{\isaliteral{5C3C696E743E}{\isasymint}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ set} & (\verb$Ints$)
\end{tabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{int} & \isa{{\isaliteral{22}{\isachardoublequote}}of{\isaliteral{5F}{\isacharunderscore}}nat{\isaliteral{22}{\isachardoublequote}}}\\
\end{tabular}


\section{Finite\_Set}


\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{finite} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{card} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat}\\
\isa{fold} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b}\\
\isa{fold{\isaliteral{5F}{\isacharunderscore}}image} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b}\\
\isa{setsum} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b}\\
\isa{setprod} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b}\\
\end{supertabular}


\subsubsection*{Syntax}

\begin{supertabular}{@ {} l @ {\quad$\equiv$\quad} l l @ {}}
\isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}A} & \isa{{\isaliteral{22}{\isachardoublequote}}setsum\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ x{\isaliteral{29}{\isacharparenright}}\ A{\isaliteral{22}{\isachardoublequote}}} & (\verb$SUM$)\\
\isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}x{\isaliteral{5C3C696E3E}{\isasymin}}A{\isaliteral{2E}{\isachardot}}\ t} & \isa{{\isaliteral{22}{\isachardoublequote}}setsum\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ t{\isaliteral{29}{\isacharparenright}}\ A{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C53756D3E}{\isasymSum}}x{\isaliteral{7C}{\isacharbar}}P{\isaliteral{2E}{\isachardot}}\ t{\isaliteral{22}{\isachardoublequote}}} & \isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}x\ {\isaliteral{7C}{\isacharbar}}\ P{\isaliteral{2E}{\isachardot}}\ t}\\
\multicolumn{2}{@ {}l@ {}}{Similarly for \isa{{\isaliteral{5C3C50726F643E}{\isasymProd}}} instead of \isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}}} & (\verb$PROD$)\\
\end{supertabular}


\section{Wellfounded}

\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{wf} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{acyclic} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{acc} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{measure} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{op\ {\isaliteral{3C}{\isacharless}}{\isaliteral{2A}{\isacharasterisk}}lex{\isaliteral{2A}{\isacharasterisk}}{\isaliteral{3E}{\isachargreater}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{op\ {\isaliteral{3C}{\isacharless}}{\isaliteral{2A}{\isacharasterisk}}mlex{\isaliteral{2A}{\isacharasterisk}}{\isaliteral{3E}{\isachargreater}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{less{\isaliteral{5F}{\isacharunderscore}}than} & \isa{{\isaliteral{28}{\isacharparenleft}}nat\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ nat{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{pred{\isaliteral{5F}{\isacharunderscore}}nat} & \isa{{\isaliteral{28}{\isacharparenleft}}nat\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ nat{\isaliteral{29}{\isacharparenright}}\ set}\\
\end{supertabular}


\section{SetInterval}

\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{lessThan} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{atMost} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{greaterThan} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{atLeast} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{greaterThanLessThan} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{atLeastLessThan} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{greaterThanAtMost} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{atLeastAtMost} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{supertabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{{\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}y{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}lessThan\ y{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}y{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}atMost\ y{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}x{\isaliteral{3C}{\isacharless}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}greaterThan\ x{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}x{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}atLeast\ x{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}x{\isaliteral{3C}{\isacharless}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}y{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}greaterThanLessThan\ x\ y{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}x{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}y{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}atLeastLessThan\ x\ y{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}x{\isaliteral{3C}{\isacharless}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}y{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}greaterThanAtMost\ x\ y{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{7B}{\isacharbraceleft}}x{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}y{\isaliteral{7D}{\isacharbraceright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}atLeastAtMost\ x\ y{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C556E696F6E3E}{\isasymUnion}}\ i{\isaliteral{5C3C6C653E}{\isasymle}}n{\isaliteral{2E}{\isachardot}}\ A} & \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C556E696F6E3E}{\isasymUnion}}\ i\ {\isaliteral{5C3C696E3E}{\isasymin}}\ {\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}n{\isaliteral{7D}{\isacharbraceright}}{\isaliteral{2E}{\isachardot}}\ A{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C556E696F6E3E}{\isasymUnion}}\ i{\isaliteral{3C}{\isacharless}}n{\isaliteral{2E}{\isachardot}}\ A} & \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{5C3C556E696F6E3E}{\isasymUnion}}\ i\ {\isaliteral{5C3C696E3E}{\isasymin}}\ {\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}n{\isaliteral{7D}{\isacharbraceright}}{\isaliteral{2E}{\isachardot}}\ A{\isaliteral{22}{\isachardoublequote}}}\\
\multicolumn{2}{@ {}l@ {}}{Similarly for \isa{{\isaliteral{5C3C496E7465723E}{\isasymInter}}} instead of \isa{{\isaliteral{5C3C556E696F6E3E}{\isasymUnion}}}}\\
\isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}x\ {\isaliteral{3D}{\isacharequal}}\ a{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}b{\isaliteral{2E}{\isachardot}}\ t} & \isa{{\isaliteral{22}{\isachardoublequote}}setsum\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ t{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{7B}{\isacharbraceleft}}a{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}b{\isaliteral{7D}{\isacharbraceright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}x\ {\isaliteral{3D}{\isacharequal}}\ a{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}b{\isaliteral{2E}{\isachardot}}\ t} & \isa{{\isaliteral{22}{\isachardoublequote}}setsum\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ t{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{7B}{\isacharbraceleft}}a{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}b{\isaliteral{7D}{\isacharbraceright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}x{\isaliteral{5C3C6C653E}{\isasymle}}b{\isaliteral{2E}{\isachardot}}\ t} & \isa{{\isaliteral{22}{\isachardoublequote}}setsum\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ t{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}b{\isaliteral{7D}{\isacharbraceright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}x{\isaliteral{3C}{\isacharless}}b{\isaliteral{2E}{\isachardot}}\ t} & \isa{{\isaliteral{22}{\isachardoublequote}}setsum\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ t{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{7B}{\isacharbraceleft}}{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}b{\isaliteral{7D}{\isacharbraceright}}{\isaliteral{22}{\isachardoublequote}}}\\
\multicolumn{2}{@ {}l@ {}}{Similarly for \isa{{\isaliteral{5C3C50726F643E}{\isasymProd}}} instead of \isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}}}\\
\end{supertabular}


\section{Power}

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{op\ {\isaliteral{5E}{\isacharcircum}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}
\end{tabular}


\section{Option}

\isa{\isacommand{datatype}\ {\isaliteral{27}{\isacharprime}}a\ option\ {\isaliteral{3D}{\isacharequal}}\ None\ {\isaliteral{7C}{\isacharbar}}\ Some\ {\isaliteral{27}{\isacharprime}}a}
\bigskip

\begin{tabular}{@ {} l @ {~::~} l @ {}}
\isa{the} & \isa{{\isaliteral{27}{\isacharprime}}a\ option\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{Option{\isaliteral{2E}{\isachardot}}map} & \isa{{\isaliteral{22}{\isachardoublequote}}{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ option\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{22}{\isachardoublequote}}}\\
\isa{Option{\isaliteral{2E}{\isachardot}}set} & \isa{{\isaliteral{27}{\isacharprime}}a\ option\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}
\end{tabular}

\section{List}

\isa{\isacommand{datatype}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{3D}{\isacharequal}}\ {\isaliteral{5B}{\isacharbrackleft}}{\isaliteral{5D}{\isacharbrackright}}\ {\isaliteral{7C}{\isacharbar}}\ op\ {\isaliteral{23}{\isacharhash}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ list{\isaliteral{29}{\isacharparenright}}}
\bigskip

\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{op\ {\isaliteral{40}{\isacharat}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{butlast} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{concat} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{distinct} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{drop} & \isa{nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{dropWhile} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{filter} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{foldl} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{foldr} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b}\\
\isa{hd} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{last} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{length} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat}\\
\isa{lenlex} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a\ list{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{lex} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a\ list{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{lexn} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a\ list{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{lexord} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a\ list{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{listrel} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a\ list{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{listrel{\isadigit{1}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a\ list{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{lists} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ set}\\
\isa{listset} & \isa{{\isaliteral{27}{\isacharprime}}a\ set\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ set}\\
\isa{listsum} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{list{\isaliteral{5F}{\isacharunderscore}}all{\isadigit{2}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{list{\isaliteral{5F}{\isacharunderscore}}update} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{map} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ list}\\
\isa{measures} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat{\isaliteral{29}{\isacharparenright}}\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}a{\isaliteral{29}{\isacharparenright}}\ set}\\
\isa{op\ {\isaliteral{21}{\isacharbang}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a}\\
\isa{remdups} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{removeAll} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{remove{\isadigit{1}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{replicate} & \isa{nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{rev} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{rotate} & \isa{nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{rotate{\isadigit{1}}} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{set} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{sort} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{sorted} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{splice} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{sublist} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{take} & \isa{nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{takeWhile} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{tl} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list}\\
\isa{upt} & \isa{nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ nat\ list}\\
\isa{upto} & \isa{int\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ int\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ int\ list}\\
\isa{zip} & \isa{{\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ list}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{supertabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{{\isaliteral{5B}{\isacharbrackleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{2C}{\isacharcomma}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{2C}{\isacharcomma}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{5D}{\isacharbrackright}}} & \isa{x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}\ {\isaliteral{23}{\isacharhash}}\ {\isaliteral{5C3C646F74733E}{\isasymdots}}\ {\isaliteral{23}{\isacharhash}}\ x\isaliteral{5C3C5E697375623E}{}\isactrlisub n\ {\isaliteral{23}{\isacharhash}}\ {\isaliteral{5B}{\isacharbrackleft}}{\isaliteral{5D}{\isacharbrackright}}}\\
\isa{{\isaliteral{5B}{\isacharbrackleft}}m{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}{\isaliteral{3C}{\isacharless}}n{\isaliteral{5D}{\isacharbrackright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}upt\ m\ n{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5B}{\isacharbrackleft}}i{\isaliteral{2E}{\isachardot}}{\isaliteral{2E}{\isachardot}}j{\isaliteral{5D}{\isacharbrackright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}upto\ i\ j{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5B}{\isacharbrackleft}}e{\isaliteral{2E}{\isachardot}}\ x\ {\isaliteral{5C3C6C6566746172726F773E}{\isasymleftarrow}}\ xs{\isaliteral{5D}{\isacharbrackright}}} & \isa{map\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ e{\isaliteral{29}{\isacharparenright}}\ xs}\\
\isa{{\isaliteral{5B}{\isacharbrackleft}}x{\isaliteral{5C3C6C6566746172726F773E}{\isasymleftarrow}}xs\ {\isaliteral{2E}{\isachardot}}\ b{\isaliteral{5D}{\isacharbrackright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}filter\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ b{\isaliteral{29}{\isacharparenright}}\ xs{\isaliteral{22}{\isachardoublequote}}} \\
\isa{xs{\isaliteral{5B}{\isacharbrackleft}}n\ {\isaliteral{3A}{\isacharcolon}}{\isaliteral{3D}{\isacharequal}}\ x{\isaliteral{5D}{\isacharbrackright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}list{\isaliteral{5F}{\isacharunderscore}}update\ xs\ n\ x{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5C3C53756D3E}{\isasymSum}}x{\isaliteral{5C3C6C6566746172726F773E}{\isasymleftarrow}}xs{\isaliteral{2E}{\isachardot}}\ e} & \isa{{\isaliteral{22}{\isachardoublequote}}listsum\ {\isaliteral{28}{\isacharparenleft}}map\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ e{\isaliteral{29}{\isacharparenright}}\ xs{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\end{supertabular}
\medskip

List comprehension: \isa{{\isaliteral{5B}{\isacharbrackleft}}e{\isaliteral{2E}{\isachardot}}\ q\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{2C}{\isacharcomma}}\ {\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{2C}{\isacharcomma}}\ q\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{5D}{\isacharbrackright}}} where each
qualifier \isa{q\isaliteral{5C3C5E697375623E}{}\isactrlisub i} is either a generator \mbox{\isa{pat\ {\isaliteral{5C3C6C6566746172726F773E}{\isasymleftarrow}}\ e}} or a
guard, i.e.\ boolean expression.

\section{Map}

Maps model partial functions and are often used as finite tables. However,
the domain of a map may be infinite.

\isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C7269676874686172706F6F6E75703E}{\isasymrightharpoonup}}\ {\isaliteral{27}{\isacharprime}}b\ \ {\isaliteral{3D}{\isacharequal}}\ \ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option}
\bigskip

\begin{supertabular}{@ {} l @ {~::~} l @ {}}
\isa{Map{\isaliteral{2E}{\isachardot}}empty} & \isa{{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option}\\
\isa{op\ {\isaliteral{2B}{\isacharplus}}{\isaliteral{2B}{\isacharplus}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option}\\
\isa{op\ {\isaliteral{5C3C636972633E}{\isasymcirc}}\isaliteral{5C3C5E7375623E}{}\isactrlsub m} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}c\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}c\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option}\\
\isa{op\ {\isaliteral{7C}{\isacharbar}}{\isaliteral{60}{\isacharbackquote}}} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option}\\
\isa{dom} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ set}\\
\isa{ran} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ set}\\
\isa{op\ {\isaliteral{5C3C73756273657465713E}{\isasymsubseteq}}\isaliteral{5C3C5E7375623E}{}\isactrlsub m} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ bool}\\
\isa{map{\isaliteral{5F}{\isacharunderscore}}of} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C74696D65733E}{\isasymtimes}}\ {\isaliteral{27}{\isacharprime}}b{\isaliteral{29}{\isacharparenright}}\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option}\\
\isa{map{\isaliteral{5F}{\isacharunderscore}}upds} & \isa{{\isaliteral{28}{\isacharparenleft}}{\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option{\isaliteral{29}{\isacharparenright}}\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ list\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}a\ {\isaliteral{5C3C52696768746172726F773E}{\isasymRightarrow}}\ {\isaliteral{27}{\isacharprime}}b\ option}\\
\end{supertabular}

\subsubsection*{Syntax}

\begin{tabular}{@ {} l @ {\quad$\equiv$\quad} l @ {}}
\isa{Map{\isaliteral{2E}{\isachardot}}empty} & \isa{{\isaliteral{5C3C6C616D6264613E}{\isasymlambda}}x{\isaliteral{2E}{\isachardot}}\ None}\\
\isa{m{\isaliteral{28}{\isacharparenleft}}x\ {\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}\ y{\isaliteral{29}{\isacharparenright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}m{\isaliteral{28}{\isacharparenleft}}x{\isaliteral{3A}{\isacharcolon}}{\isaliteral{3D}{\isacharequal}}Some\ y{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{m{\isaliteral{28}{\isacharparenleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{2C}{\isacharcomma}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{2C}{\isacharcomma}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{29}{\isacharparenright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}m{\isaliteral{28}{\isacharparenleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{29}{\isacharparenright}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{28}{\isacharparenleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{{\isaliteral{5B}{\isacharbrackleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{2C}{\isacharcomma}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{2C}{\isacharcomma}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{5D}{\isacharbrackright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}Map{\isaliteral{2E}{\isachardot}}empty{\isaliteral{28}{\isacharparenleft}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub {\isadigit{1}}{\isaliteral{2C}{\isacharcomma}}{\isaliteral{5C3C646F74733E}{\isasymdots}}{\isaliteral{2C}{\isacharcomma}}x\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}y\isaliteral{5C3C5E697375623E}{}\isactrlisub n{\isaliteral{29}{\isacharparenright}}{\isaliteral{22}{\isachardoublequote}}}\\
\isa{m{\isaliteral{28}{\isacharparenleft}}xs\ {\isaliteral{5B}{\isacharbrackleft}}{\isaliteral{5C3C6D617073746F3E}{\isasymmapsto}}{\isaliteral{5D}{\isacharbrackright}}\ ys{\isaliteral{29}{\isacharparenright}}} & \isa{{\isaliteral{22}{\isachardoublequote}}map{\isaliteral{5F}{\isacharunderscore}}upds\ m\ xs\ ys{\isaliteral{22}{\isachardoublequote}}}\\
\end{tabular}%
\end{isamarkuptext}%
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\isadelimtheory
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\end{isabellebody}%
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