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    pdftitle={truthtable},
    pdfauthor={Dominic FlĂĽck &lt;K-Trout&gt;},
    pdfsubject={truthtable package documentation v0.1.0},
    pdfkeywords={truthtable, LuaLaTeX, package, documentation, LaTeX},
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    pdflang={en-GB},
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\usepackage{truthtable}

\usepackage{amssymb}
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\title{\texttt{truthtable}\textbf{: \LaTeX\ Package\\for automatically generated Truth Tables}}
\author{Dominic FlĂĽck &lt;K-Trout&gt;}
\date{0.1.0 2023/09/16}

\begin{document}
\maketitle

\begin{abstract}
    \noindent \texttt{truthtable} is a \LaTeX\ package for creating automatically generating truth tables given a table header. It supports a number of logical operations which can be combined as needed. It's built upon the package \href{https://ctan.org/pkg/luacode}{\texttt{luacode}} and therefore has to be used with the \LuaLaTeX\ compiler.
\end{abstract}

\tableofcontents

\section{Introduction}
Tables in \LaTeX\ have the reputation of being a bit tedious. When creating a table with many cells, such as a truth table, they are not only tedious to build, but also not very readable.

To help this situation when creating a truth table for a document, this package provides a macro, which allows simply for the variables and the columns of a truth table to be defined. The package then takes care of the rest.

\section{Dependencies}

\texttt{truthtable} uses the package \href{https://ctan.org/pkg/luacode}{\texttt{luacode}} to run, as the heavy lifting of the processing is done in \emph{Lua}. 	The package checks if \href{https://ctan.org/pkg/luacode}{\texttt{luacode}} is already loaded, and if not, does so. \LuaLaTeX\ is required to compile the resulting documents.

\section{Usage}

The \texttt{truthtable} package provides two commands: \texttt{\textbackslash truthtable} and \texttt{\textbackslash truthtableasc}. Both commands take the same arguments, but generate the table in different order.

They position in the normal table boilerplate. This leads to the redundant practice of defining the column count twice, once for the table environment as the column layout and once in the command by defining the variables and statements.\footnote{See \autoref{lst:exampletable} for example}

This is intentional to allow for more flexibility in customising the column layout as well as pre- and appending of further rows to the table.

\subsection{\texttt{\textbackslash truthtable}}
\noindent\texttt{\textbackslash truthtable\{\emph{comma separated variables}\}\{\emph{comma separated display variables}\}\\\{\emph{comma separated statements}\}\{\emph{comma separated display statements}\}\\\{\emph{display true value}\}\{\emph{display false value}\}}\bigskip

This command generates the table in descending value of the variables, from all variables being \emph{true} to being \emph{false}.

\subsection{\texttt{\textbackslash truthtableasc}}

\noindent\texttt{\textbackslash truthtableasc\{\emph{comma separated variables}\}\{\emph{comma separated display variables}\}\\\{\emph{comma separated statements}\}\{\emph{comma separated display statements}\}\\\{\emph{display true value}\}\{\emph{display false value}\}}
\bigskip

This command generates the table in ascending value of the variables, from all variables being \emph{false} to being \emph{true}.

\subsection{Comma separated variables}

The basic variables, for which every combination of \emph{true} and \emph{false} a row of table will be generated. The variables should be relatively simple, as they are not used for the formatting the table but simply to calculate the answers. The variables should be separated using commas. Don't use variables, which contain another variable, i.e., don't do this: \texttt{\{n,An\}}.

\subsection{Comma separated display variables}

These are the display values corresponding to the \emph{Comma separated variables}. Fancy variable formatting can be applied. At least normal text and ``math'' mode seem to work.\footnote{More testing needs to be done}
The same number of display variables as variables is required. The comma cannot be used as a display character, as it is used as delimiter.

\subsection{Comma separated statements}

The statements using the \emph{Comma separated variables} which are used to evaluate the statements for any given combination of variables. Parentheses can be used in the normal fashion to indicate the order of combined statements. The notation for the different operations is as follows:

\subsubsection{\texttt{NOT} / Negation}

To negate a variable or statement, the exclamation point \texttt{!} is used.
\begin{itemize}
    \item $\lnot A$:  \texttt{!A}
    \item $\lnot (\lnot A)$: \texttt{!(!A)}
\end{itemize}

\subsubsection{\texttt{AND} / Conjunction}

For the conjunction of two variables or statements the and symbol \texttt{\&amp;} is used. \textbf{The \&amp; must not be escaped for the comma separated statements!}
\begin{itemize}
    \item $A \land B$:  \texttt{A \&amp; B}
    \item $A \land (A \land B)$: \texttt{A \&amp; (A \&amp; B)}
\end{itemize}

\subsubsection{\texttt{OR} / Disjunction}

For the Disjunction of two variables or statements the vertical line character \texttt{|} is used.

\begin{itemize}
    \item $A \lor B$:  \texttt{A | B}
    \item $A \lor (A \lor B)$: \texttt{A | (A | B)}
\end{itemize}

\subsubsection{\texttt{XOR} /  Exclusive disjunction}

The exclusive disjunction (\texttt{XOR}) is written in parentheses preceded by the hat operator. \textbf{Note that the delimiter used is the semicolon \texttt{;} and not the comma \texttt{,} ! This is because the statements are separated using the comma.}

\begin{itemize}
    \item $A \veebar B$:  \texttt{\^\ (A; B)}
    \item $A \veebar (A \lor B)$: \texttt{\^\ (A; (A | B))}
\end{itemize}

\subsubsection{\texttt{NAND} / Negated conjunction}

The \texttt{NAND} operation is written in parentheses preceded by the the \texttt{NOT} and the \texttt{AND} operator (\texttt{!\&amp;}). \textbf{Note that the delimiter used is the semicolon \texttt{;} and not the comma \texttt{,} ! This is because the statements are separated using the comma.}

\begin{itemize}
    \item $A | B$:  \texttt{!\&amp;(A; B)}
    \item $A | (A \lor B)$: \texttt{!\&amp;(A; (A | B))}
\end{itemize}

\subsubsection{\texorpdfstring{$\rightarrow$ / }{}Implication}

The implication can also be expressed. \textbf{Note that the delimiter used is the semicolon \texttt{;} and not the comma \texttt{,} ! This is because the statements are separated using the comma.}

\begin{itemize}
    \item $A \rightarrow B$:  \texttt{&gt;&gt;(A; B)}
    \item $A \rightarrow (A \lor B)$: \texttt{&gt;&gt;(A; (A | B))}
    \item $A \land (A \rightarrow B)$: \texttt{A \&amp; &gt;&gt;(A; B)}
\end{itemize}

\subsubsection{\texorpdfstring{$\leftrightarrow$ / }{}Equality}

The equality can also be expressed. Since version 0.0.2 this command can also be expressed as \texttt{&lt;&gt;(A;~B)}. The previous definition\footnote{The equality operation was defined this way in v0.0.1} of \texttt{\_\_(A;~B)} also works. \textbf{Note that the delimiter used is the semicolon \texttt{;} and not the comma \texttt{,} ! This is because the statements are separated using the comma.} \textbf{The \texttt{\_\_} must not be escaped for the comma separated statements!}

\begin{itemize}
    \item $A \leftrightarrow B$:  \texttt{\_\_(A; B)} = \texttt{&lt;&gt;(A; B)}
    \item $A \leftrightarrow (A \lor B)$: \texttt{\_\_(A; (A | B))} = \texttt{&lt;&gt;(A; (A | B))}
    \item $A \land (A \leftrightarrow B)$: \texttt{A \&amp; \_\_(A; B)} = \texttt{A \&amp; &lt;&gt;(A; B)}
\end{itemize}

\subsection{Comma separated display statements}

Display statements are defined the same way as the \emph{comma separated display variables}. The comma cannot be used as a display character, as it is used as delimiter.

\subsection{Display true value}

The displaying string which will be used in the table body for \emph{true}. Normal text and ``math'' mode can be used.

\subsection{Display false value}

The displaying string which will be used in the table body for \emph{false}. Normal text and ``math'' mode can be used.

\section{Example of use}

The code snippet seen in \autoref{lst:exampletable} is the entirety of code required to produce the truth table seen in \autoref{tab:sampletable}.\footnote{The captioning setup was omitted in the listing.} The code for the ascending truth table as seen in \autoref{tab:sampletableasc} is identical, except for the command used being \texttt{\textbackslash truthtableasc} instead of \texttt{\textbackslash truthtable}.

The command generates the code seen in \autoref{lst:exampletableoutput}.

\lstinputlisting[language={[LaTeX]TeX}, label=lst:exampletable, caption=Code for an sample truth table]{res/exampletable.tex}

\lstinputlisting[language={[LaTeX]TeX}, label=lst:exampletableoutput, caption=Code generated by \textbackslash truthtable]{res/exampletableoutput.tex}

\begin{table}[ht]
    \centering
    \begin{tabular}{c|c||c|c|c|c|c|c|c}
        \truthtable{A,B}{$A$,$B$}
        {!A, A &amp; B, A | B, ^(A; B), ! &amp; (A; B), &gt;&gt;(A; B), &lt;&gt;(A; B)}{$\lnot A$, $A \land B$, $A \lor B$,$A \veebar B$,$A | B$, $A \rightarrow B$, $A \leftrightarrow B$}
        {$T$}{$F$}
    \end{tabular}
    \caption{Sample truth table}
    \label{tab:sampletable}
\end{table}


\begin{table}[ht]
    \centering
    \begin{tabular}{c|c||c|c|c|c|c|c|c}
        \truthtableasc{A,B}{$A$,$B$}
        {!A, A &amp; B, A | B, ^(A; B), ! &amp; (A; B), &gt;&gt;(A; B), &lt;&gt;(A; B)}{$\lnot A$, $A \land B$, $A \lor B$,$A \veebar B$,$A | B$, $A \rightarrow B$, $A \leftrightarrow B$}
        {$T$}{$F$}
    \end{tabular}
    \caption{Sample truth table in ascending order}
    \label{tab:sampletableasc}
\end{table}

\newpage

\section{Development}

\subsection{Repository}

This package is on \emph{CTAN} (\href{https://ctan.org/pkg/truthtable}{ctan.org/pkg/truthtable}). The repository of the package is \href{https://github.com/K-Trout/truthtable}{github.com/K-Trout/truthtable}. For bug reports and feature requests create an issue on GitHub: \href{https://github.com/K-Trout/truthtable/issues}{github.com/K-Trout/truthtable/issues}.

\subsection{Changes}

\textbf{v0.1.0 (2023/09/16)}
\begin{itemize}
    \item Added the \texttt{\textbackslash truthtableasc} command to generate the table in ascending order. Thanks to \emph{slnkahveci} on GitHub for the feature request.
    \item Fixed alignment issues in the first column of the table. Thanks to \emph{cpierquet} on GitHub for the bug report.
\end{itemize}
\textbf{v0.0.2 (2021/10/08)}

\begin{itemize}
    \item Added support for \emph{XOR} and \emph{NAND}.
    \item Added definition for equivalence operation to be written as \texttt{&lt;&gt;(A; B)}.  \texttt{\_\_(A; B)} is still supported
    \item Added some error messages when the number of arguments and display arguments don't correspond.
\end{itemize}
\textbf{v0.0.1 (2021/10/01)}

\begin{itemize}
    \item Initial release
\end{itemize}

\subsection{Known issues and bugs}

\begin{description}
    \item[Stability] The Lua code of the macro is not very error resistant. The package only checks if the same amount of working and display variables, as well as working and display statements are provided. If a mismatch is detected, an error message is output and the package code halts. Further improvements may be undertaken in the future.
    \item[Display formatting] Whilst normal text and ``math'' mode work for both headers and truth values, other text formatting such as \texttt{\textbackslash textbf} does not. It is not yet clear if this will be addressed in future versions.
    \item[Operations] For the moment seven operations are defined. Further operations may be added in future versions.
\end{description}

\newpage

\section{Implementation}

\lstinputlisting[language={[LaTeX]TeX}, label=lst:packagecode, caption=Source code of the truthtable package, numbers=left,xleftmargin=17pt,xrightmargin=-3.4pt,framexleftmargin=17pt, numbersep=5pt,frame=bt]{truthtable.sty}

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