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%LaTeX package providing some shorthands and quick commands, tailored to certain unspecified fields of maths.
%Not checked for conflicts with other packages.
%Mostly for personal use.
%Will not always be backwards compatible, although every effort will be made so that this is so.
%Written by Adam Walsh
%Version 1.0 (will not upgrade version numbers for minor command editions)
\ProvidesPackage{fancycom}[2018/02/03 v1.0 Fancy maths common commands package]
\RequirePackage{amsfonts}
\RequirePackage{amsthm}
\RequirePackage{amsmath}
\RequirePackage{amssymb}
\RequirePackage{mathtools}
\RequirePackage{calc}
\RequirePackage{textcomp}
\RequirePackage[nointegrals]{wasysym}
\RequirePackage{xparse}
%\RequirePackage{mathrsfs}
\RequirePackage[mathscr]{euscript}
\RequirePackage{tikz-cd}
%Textual shortcuts/aids
\newcommand{\mbb}[1]{\mathbb{#1}} %Emblacken your symbols!
\newcommand{\mbf}[1]{\mathbf{#1}} %Embolden your symbols!
\newcommand{\mfk}[1]{\mathfrak{#1}} %Enfraken your symbols!
\newcommand{\bsl}{\backslash} %Backslash
\newcommand{\cndall}{\,\,\,\forall} %forall given as condition
\newcommand{\st}{\,\mid\,} %Such that symbol. : is also used.
\newcommand{\what}[1]{& \qquad &\begin{sloppy}\textit{\small\mbox{#1}\small}\end{sloppy}} %Little comment for an align block. Memento of 2007.
%Basic symbol extensions
\def\bA{\mathbb{A}}
\def\bF{\mathbb{F}}
\def\bN{\mathbb{N}}
\def\bR{\mathbb{R}}
\def\bZ{\mathbb{Z}}
\def\bQ{\mathbb{Q}}
\def\bC{\mathbb{C}}
\def\bO{\mathbb{O}}
\def\bP{\mathbb{P}}
\def\bS{\mathbb{S}}
\def\fR{\mathfrak{R}}
\def\fZ{\mathfrak{Z}}
\def\fQ{\mathfrak{Q}}
\def\fC{\mathfrak{C}}
\def\fO{\mathfrak{O}}
\def\sC{\mathscr{C}}
\def\sD{\mathscr{D}}
\def\sP{\mathscr{P}}
\def\sF{\mathscr{F}}
\def\sH{\mathscr{H}}
\def\sM{\mathscr{M}}
\def\sT{\mathscr{T}}
\def\cA{\mathcal{A}}
\def\cB{\mathcal{B}}
\def\cO{\mathcal{O}}
\def\cF{\mathcal{F}}
\def\cG{\mathcal{G}}
\def\cC{\mathcal{C}}
\def\cD{\mathcal{D}}
\def\cT{\mathcal{T}}
\def\cP{\mathcal{P}}
\def\cS{\mathcal{S}}
\def\bfz{\mathbf{0}}
\def\fkp{\mathfrak{p}}
\def\fkq{\mathfrak{q}}
\def\fkm{\mathfrak{m}}
%Symbol abbreviations
\def\lm{\lambda}
\def\eps{\epsilon}
\def\veps{\varepsilon}
\def\vphi{\varphi}
\def\ot{\otimes}
\def\ptl{\partial}
\def\bdry{\partial}
\def\nin{\not\in}
\newcommand{\isom}{\cong} %Isomorphism
\newcommand{\ceq}{\coloneqq} %Defined to be equal to
\newcommand{\eqc}{\eqqcolon} %Equal to be defined to
\newcommand{\ra}{\rangle} %Right angle bracket
\newcommand{\la}{\langle} %Left angle bracket
\newcommand{\wto}{\rightharpoonup} %Weak convergence, or just an arrow with the bottom half missing
\renewcommand{\to}{\longrightarrow} %A long right arrow, for functions and such
\newcommand{\lmto}{\longmapsto} %A right arrow with a vertical tail, for mapping definitions
\newcommand{\llim}{\lim\limits} %limit set up so that it always writes the limits underneath
%Function constructors
\newcommand{\func}[3]{#1\colon#2\to #3} %Generic function definition without mapping
\newcommand{\mfunc}[3]{#1\colon#2\mapsto #3} %Generic function definition with only mapping
\newcommand{\afunc}[3]{#1\colon#2&\to #3} %Generic function with alignment on arrow
\newcommand{\vfunc}[5]{\func{#1}{#2}{#3},\quad#4\longmapsto #5} %Generic function definition with mapping
\newcommand{\vafunc}[5]{\afunc{#1}{#2}{#3}\\#4&\longmapsto #5} %Generic function over two lines aligned on arrow
%More complex operator constructors
\DeclareDocumentCommand\amod{ m g g }
{%
\IfNoValueTF{#2}
{%
\pmod{#1}
}{%
\IfNoValueTF{#3}
{%
{#1}\pmod{#2}
}{%
{#1} \,\equiv\, #2\pmod{#3}
}
}
}
\DeclareDocumentCommand\ppp{ m g }
{%
\IfNoValueTF{#2}
{%
\frac{\partial}{\partial #1}
}{%
\frac{\partial #1}{\partial #2}
}
}
\newcommand{\pp}[1]{\frac{\partial}{\partial #1}}
%For theorems and proofs
\newtheorem{Theorem}{Theorem}
\newtheorem{Proposition}{Proposition}
\newtheorem{Conjecture}[Theorem]{Conjecture}
\newtheorem{Lemma}[Theorem]{Lemma}
\newtheorem{Corollary}[Theorem]{Corollary}
\theoremstyle{remark}
\newtheorem{Example}{Example}
\newtheorem{Note}{Note}
\newtheorem{Question}{Question}
\newtheorem{Remark}{Remark}
\theoremstyle{definition}
\newtheorem{Result}[Theorem]{Result}
\newtheorem{Definition}[Theorem]{Definition}
%Shorthands
\DeclareDocumentCommand\sdef{m}{\begin{Definition}#1\end{Definition}}
\DeclareDocumentCommand\sex{m}{\begin{Example}#1\end{Example}}
\DeclareDocumentCommand\snote{m}{\begin{Note}#1\end{Note}}
\DeclareDocumentCommand\slem{m}{\begin{Lemma}#1\end{Lemma}}
\DeclareDocumentCommand\sresult{m}{\begin{Result}#1\end{Result}}
\DeclareDocumentCommand\sres{m}{\begin{Result}#1\end{Result}}
\DeclareDocumentCommand\sques{m}{\begin{Question}#1\end{Question}}
\DeclareDocumentCommand\srem{m}{\begin{Remark}#1\end{Remark}}
%Mathematical Operators
\DeclareMathOperator{\Ell}{Ell} %Elliptic genera
\DeclareMathOperator{\id}{id}
\DeclareMathOperator{\Id}{id}
\DeclareMathOperator{\Set}{\mathscr{S}et}
\DeclareMathOperator{\Hom}{\mathscr{H}om}
\DeclareMathOperator{\Top}{\mathscr{T}op}
\DeclareMathOperator{\Mod}{\mathbf{Mod}}
\DeclareMathOperator{\Comm}{\mathbf{Comm}}
\DeclareMathOperator{\Grp}{\mathbf{Grp}}
\DeclareMathOperator{\GL}{GL}
\DeclareMathOperator{\Obj}{Obj}
\DeclareMathOperator{\Spec}{Spec}
\DeclareMathOperator{\Specm}{Specm}
\DeclareMathOperator{\Min}{min}
\DeclareMathOperator{\Ker}{Ker}
\DeclareMathOperator{\im}{Im}
\DeclareMathOperator{\CoIm}{CoIm}
\DeclareMathOperator{\CoKer}{CoKer}
\DeclareMathOperator{\Der}{Der}
\DeclareMathOperator{\End}{End}
% Brackets and braces
\DeclareDocumentCommand\braces{}{{\ifnum\z@=`}\fi\@braces}
\DeclareDocumentCommand\@braces{ s t\big t\Big t\bigg t\Bigg m m m }
{ % General braces with automatic and manual sizing
\IfBooleanTF{#1}
{\left#6\smash{#8}\right#7\vphantom{#8}}
{
\IfBooleanTF{#2}{\bigl#6{#8}\bigr#7}{
\IfBooleanTF{#3}{\Bigl#6{#8}\Bigr#7}{
\IfBooleanTF{#4}{\biggl#6{#8}\biggr#7}{
\IfBooleanTF{#5}{\Biggl#6{#8}\Biggr#7}{\left#6{#8}\right#7}
}
}
}
}
\ifnum\z@=`{\fi}
}
\DeclareDocumentCommand\quantity{}{{\ifnum\z@=`}\fi\@quantity}
\DeclareDocumentCommand\@quantity{ t\big t\Big t\bigg t\Bigg g o d() d|| }
{ % Flexible automatic bracketing of an expression in () or [] or {} or ||
% Handles manual override of sizing
\IfBooleanTF{#1}{\let\ltag\bigl \let\rtag\bigr}{
\IfBooleanTF{#2}{\let\ltag\Bigl \let\rtag\Bigr}{
\IfBooleanTF{#3}{\let\ltag\biggl \let\rtag\biggr}{
\IfBooleanTF{#4}
{\let\ltag\Biggl \let\rtag\Biggr}
{\let\ltag\left \let\rtag\right}
}
}
}
% Handles actual bracketing
\IfNoValueTF{#5}{
\IfNoValueTF{#6}{
\IfNoValueTF{#7}{
\IfNoValueTF{#8}
{()}
{\ltag\lvert{#8}\rtag\rvert}
}
{\ltag(#7\rtag) \IfNoValueTF{#8}{}{|#8|}}
}
{\ltag[#6\rtag] \IfNoValueTF{#7}{}{(#7)} \IfNoValueTF{#8}{}{|#8|}}
}
{\ltag\lbrace#5\rtag\rbrace \IfNoValueTF{#6}{}{[#6]} \IfNoValueTF{#7}{}{(#7)} \IfNoValueTF{#8}{}{|#8|}}
\ifnum\z@=`{\fi}
}
\DeclareDocumentCommand\qty{}{\quantity} % Shorthand for \quantity
\DeclareDocumentCommand\pqty{ l m }{\braces#1{\lparen}{\rparen}{#2}}
\DeclareDocumentCommand\bqty{ l m }{\braces#1{\lbrack}{\rbrack}{#2}}
\DeclareDocumentCommand\Bqty{ l m }{\braces#1{\lbrace}{\rbrace}{#2}}
\DeclareDocumentCommand\vqty{ l m }{\braces#1{\lvert}{\rvert}{#2}}
%Matrix constructors
\DeclareDocumentCommand\pmqty{m}{\begin{pmatrix}#1\end{pmatrix}}
\DeclareDocumentCommand\Pmqty{m}{\left\lgroup\begin{matrix}#1\end{matrix}\right\rgroup}
\DeclareDocumentCommand\bmqty{m}{\begin{bmatrix}#1\end{bmatrix}}
\DeclareDocumentCommand\Bmqty{m}{\begin{Bmatrix}#1\end{Bmatrix}}
\DeclareDocumentCommand\sbmqty{m}{\left[\begin{smallmatrix}#1\end{smallmatrix}\right]}
\DeclareDocumentCommand\vmqty{m}{\begin{vmatrix}#1\end{vmatrix}}
\DeclareDocumentCommand\matrixquantity{}{{\ifnum\z@=`}\fi\@matrixquantity}
\DeclareDocumentCommand\@matrixquantity{ s g o d() d|| }
{
\mathord{
\IfNoValueTF{#2}
{
\IfNoValueTF{#3}
{
\IfNoValueTF{#4}
{
\IfNoValueTF{#5}
{()}
{\vmqty{#5}}
}
{
\IfBooleanTF{#1}
{\Pmqty{#4}}
{\pmqty{#4}}
\IfNoValueTF{#5}{}{|#5|}
}
}
{\bmqty{#3} \IfNoValueTF{#4}{}{(#4)} \IfNoValueTF{#5}{}{|#5|}}
}
{\begin{matrix}#2\end{matrix} \IfNoValueTF{#3}{}{[#3]} \IfNoValueTF{#4}{}{(#4)} \IfNoValueTF{#5}{}{|#5|}}
}
\ifnum\z@=`{\fi}
}
\DeclareDocumentCommand\mqty{}{\matrixquantity} % Shorthand for \matrixquantity
\DeclareDocumentCommand\matrixdeterminant{m}{\vmqty{#1}} % Matrix determinant
\DeclareDocumentCommand\mdet{}{\matrixdeterminant} % Shorthand for matrix determinant
% Quick quad text (math-mode text with \quad spacing)
\DeclareDocumentCommand\qqtext{ s m }{\IfBooleanTF{#1}{}{\quad}\text{#2}\quad}
\DeclareDocumentCommand\qq{}{\qqtext}
\DeclareDocumentCommand\qcomma{}{,\quad}
\DeclareDocumentCommand\qc{}{\qcomma}
\DeclareDocumentCommand\qif{s}{\IfBooleanTF{#1}{}{\quad}\text{if}\quad}
\DeclareDocumentCommand\qthen{s}{\IfBooleanTF{#1}{}{\quad}\text{then}\quad}
\DeclareDocumentCommand\qelse{s}{\IfBooleanTF{#1}{}{\quad}\text{else}\quad}
\DeclareDocumentCommand\qotherwise{s}{\IfBooleanTF{#1}{}{\quad}\text{otherwise}\quad}
\DeclareDocumentCommand\qunless{s}{\IfBooleanTF{#1}{}{\quad}\text{unless}\quad}
\DeclareDocumentCommand\qgiven{s}{\IfBooleanTF{#1}{}{\quad}\text{given}\quad}
\DeclareDocumentCommand\qusing{s}{\IfBooleanTF{#1}{}{\quad}\text{using}\quad}
\DeclareDocumentCommand\qassume{s}{\IfBooleanTF{#1}{}{\quad}\text{assume}\quad}
\DeclareDocumentCommand\qsince{s}{\IfBooleanTF{#1}{}{\quad}\text{since}\quad}
\DeclareDocumentCommand\qlet{s}{\IfBooleanTF{#1}{}{\quad}\text{let}\quad}
\DeclareDocumentCommand\qfor{s}{\IfBooleanTF{#1}{}{\quad}\text{for}\quad}
\DeclareDocumentCommand\qall{s}{\IfBooleanTF{#1}{}{\quad}\text{all}\quad}
\DeclareDocumentCommand\qeven{s}{\IfBooleanTF{#1}{}{\quad}\text{even}\quad}
\DeclareDocumentCommand\qodd{s}{\IfBooleanTF{#1}{}{\quad}\text{odd}\quad}
\DeclareDocumentCommand\qinteger{s}{\IfBooleanTF{#1}{}{\quad}\text{integer}\quad}
\DeclareDocumentCommand\qand{s}{\IfBooleanTF{#1}{}{\quad}\text{and}\quad}
\DeclareDocumentCommand\qor{s}{\IfBooleanTF{#1}{}{\quad}\text{or}\quad}
\DeclareDocumentCommand\qas{s}{\IfBooleanTF{#1}{}{\quad}\text{as}\quad}
\DeclareDocumentCommand\qin{s}{\IfBooleanTF{#1}{}{\quad}\text{in}\quad}
\DeclareDocumentCommand\qcc{s}{\IfBooleanTF{#1}{}{\quad}\text{c.c.}\quad}

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%LaTeX package for writing fancy mathematics fast, specifically tailored to writing assignments and course notes.
%Requires and integrates with the fancycom package, which defines many mathematical command shortcuts.
%Not carefully checked for integration with other packages.
%Written by Adam Walsh
%Version 1.0
%----------Identification------------
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{fancymath}[2016/06/17 v1.0 Fancy Maths Package]
%----------Initial code--------------
\RequirePackage{ifthen}
%Layout colour
%% 0=Full (default)
%% 1=Black (no colour)
%% 2=Grey (Greyscale colours)
\newcounter{colour}
\newboolean{fullcolour}
\setboolean{fullcolour}{true}
\newcommand{\colour}{}
%Default Layouts
%% 0=plain (default)
%% 1=Assignment
%% 2=General Submission
%% 3=Course Notes
%% 4=
\newcounter{layout}
%Separate questions on different pages (for question and answer environment)
%%0= multiple questions per page (default)
%%1= One question and answer per page
\newboolean{sepquest}
\newboolean{qthm}
%----------Option Declaration------------
%Colour selection
\DeclareOption{grey}{%
\setcounter{colour}{2}%
\setboolean{fullcolour}{false}%
\renewcommand{\colour}{\color{Gray}}}
\DeclareOption{black}{%
\setcounter{colour}{1}%
\setboolean{fullcolour}{false}%
\renewcommand{\colour}{\color{Black}}}
%Default Layout selection
\DeclareOption{ass}{\setcounter{layout}{1}}
\DeclareOption{general}{\setcounter{layout}{2}}
\DeclareOption{notes}{\setcounter{layout}{3}}
%Seperate questions option
\DeclareOption{qsep}{\setboolean{sepquest}{true}}
\DeclareOption{qthm}{\setboolean{qthm}{true}}
%---------Process Options----------------
\ProcessOptions
%------------Package Loading---------------
\RequirePackage[table,dvipsnames]{xcolor} %To use coloured layout
\RequirePackage{fancyhdr} %To make the headers and footers fancy
\RequirePackage{geometry} %To manipulate the geometry of the pages
\RequirePackage{calc} %For manipulating values
%------------Main Code---------------
%Some formatting lengths not usually useful in mathematical submissions.
\setlength{\parindent}{0mm}
\setlength{\parskip}{0mm}
%General values used in titles and styling
\newcommand{\authorname}{}
\newcommand{\authornumber}{}
\newcommand{\coursename}{}
\newcommand{\coursenumber}{}
\newcommand{\submissiontitle}{}
\newcommand{\assignmentnumber}{}
\newcommand{\thetitle}{\submissiontitle}
\newcommand{\theauthor}{\authorname}
\newcommand{\therightfoot}{}
\newcommand{\theleftfoot}{}
\newcommand{\thelefthead}{}
\newcommand{\therighthead}{}
%Control sequences for basic style values
\newcommand{\aname}[1]{%
\renewcommand{\authorname}{#1}}
\newcommand{\anum}[1]{%
\renewcommand{\authornumber}{#1}}
\newcommand{\cname}[1]{%
\renewcommand{\coursename}{#1}}
\newcommand{\cnum}[1]{%
\renewcommand{\coursenumber}{#1}}
\newcommand{\stitle}[1]{%
\renewcommand{\submissiontitle}{#1}}
\newcommand{\assnum}[1]{%
\renewcommand{\assignmentnumber}{#1}}
%Advanced control sequences for controlling styling
\newcommand{\rawtitle}[1]{%
\renewcommand{\thetitle}{#1}}
\newcommand{\rawauthor}[1]{%
\renewcommand{\theauthor}{#1}}
\newcommand{\rawrfoot}[1]{%
\renewcommand{\therightfoot}{#1}}
\newcommand{\rawlfoot}[1]{%
\renewcommand{\theleftfoot}{#1}}
\newcommand{\rawlhead}[1]{%
\renewcommand{\thelefthead}{#1}}
\newcommand{\rawrhead}[1]{%
\renewcommand{\therighthead}{#1}}
%Styling common to all layouts, including plain
%The page geometry
\geometry{%
a4paper,%
left=20mm,%
right=20mm,%
top=20mm,%
bottom=20mm,%
heightrounded}
%Styling common to general non-plain layouts
\ifthenelse{\not \value{layout}=0}{%
%Base colours, determined from colour option
\newcommand{\titlecolour}{%
\ifthenelse{\boolean{fullcolour}}{\color{Brown}}{\colour}}
\newcommand{\headcolour}{%
\ifthenelse{\boolean{fullcolour}}{\color{Blue}}{\colour}}
\newcommand{\headrulecolour}{%
\ifthenelse{\boolean{fullcolour}}{\color{Brown}}{\colour}}
\newcommand{\enumcolour}{%
\ifthenelse{\boolean{fullcolour}}{\color{Brown}}{\colour}}
%Some default values for the footers
\rawlfoot{\authorname}
\rawrfoot{\today}
\rawlhead{\submissiontitle}
\rawrhead{\thepage}
%Page style
\pagestyle{fancy}
%Set the headers and footers
\fancyhead{}
\fancyfoot{}
\fancyfoot[L]{\headcolour\theleftfoot}
\fancyfoot[C]{\headcolour\thepage}
\fancyfoot[R]{\headcolour{}\therightfoot}
\fancyhead[L]{\headcolour\thelefthead}
\fancyhead[R]{\headcolour\therighthead}
%Make the headrule
\renewcommand{\headrule}{\headrulecolour\vbox to 0pt{\hbox to\headwidth{\hrulefill}\vss}}
\headheight=21pt
%Slightly modify line spacing
\renewcommand{\baselinestretch}{1.1}
%Set the style and colour of the enumerate labels
\renewcommand{\theenumi}{\alph{enumi}}
\renewcommand{\theenumii}{\roman{enumii}}
\renewcommand{\theenumiii}{\alph{enumiii}}
\renewcommand{\labelenumi}{\enumcolour(\theenumi)}
\renewcommand{\labelenumii}{\enumcolour(\theenumii)}
\renewcommand{\labelenumiii}{\enumcolour(\theenumiii)}
%Make title info for maketitle
\author{\titlecolour\theauthor}
\title{\titlecolour\thetitle}
\date{\titlecolour\today}
}{}
%---Notes specific layout and styling---
\ifthenelse{\value{layout}=3}{%
%Set the Notes specific headers and footers
\rawlfoot{\authorname, \today}
\rawrfoot{Notes}
\rawlhead{\coursenumber -- \coursename}
%Assignment specific title and Author
\rawauthor{\authorname}
\rawtitle{\coursename -- Notes}
}{}
%---Assignment specific layout and styling---
\ifthenelse{\value{layout}=1}{%
%Set the Assignment specific headers and footers
\rawlfoot{\authorname}
\rawrfoot{\today}
\rawrhead{Assignment \assignmentnumber}
\rawlhead{\coursenumber -- \coursename}
%Assignment specific title and Author
\rawauthor{\authorname, Student \authornumber}
\rawtitle{\coursenumber -- Assignment \assignmentnumber}
}{}
%Defining the Question-and-Answer environment for use in assignments.
%%Formats Questions and Answers with incrementing counters
%Base lengths
%%Amount questions and answers are indented
\newlength{\qmargin}
\setlength{\qmargin}{5mm}
%%Amount of vertical space between question/answer title and question/answer.
\newlength{\qgap}
\setlength{\qgap}{5mm}
%%Amount of vertical space between end of question and answer.
\newlength{\qagap}
\setlength{\qagap}{0.5em}
%Base colours, determined from colour option
%%Default colour is gray anyway
\newcommand{\qcolour}{%
\ifthenelse{\boolean{fullcolour}}{\color{Gray}}{\colour}}
\ifthenelse{\boolean{qthm}}{
%Values
\newcounter{question}
\newcounter{nextanswer}
\newboolean{firstquest}
\newboolean{questopen}
\newboolean{answeropen}
\RequirePackage{amsthm}
\theoremstyle{plain}
\newtheorem{Question}[question]{Question}
\makeatletter
\newcommand{\theanswer}{Answer \arabic{nextanswer}}
\newcommand{\qnum}[1]{%
\setcounter{question}{#1}%
\addtocounter{question}{-1}%
\setcounter{nextanswer}{#1}%
}
\newcommand{\startqanda}{%
\setcounter{question}{0}%
\setcounter{nextanswer}{0}%
\setboolean{firstquest}{true}%
\setboolean{questopen}{false}%
\setboolean{answeropen}{false}%
}
\newcommand{\closeqanda}{%
\ifthenelse{\boolean{questopen}}{\closequestion}{}%
\ifthenelse{\boolean{answeropen}}{\closeanswer}{}%
}
\newcommand{\question}[1][0]{%
\closeqanda%
\ifthenelse{\boolean{sepquest} \and \not \boolean{firstquest} }{\newpage}{}%
\setboolean{firstquest}{false}%
\ifthenelse{#1=0}{}{\qnum{#1}}%
\begin{Question}
\@minipagetrue%
\setboolean{questopen}{true}%
\setcounter{nextanswer}{\value{question}}%
}
\newcommand{\closequestion}{%
\end{Question}%
\setboolean{questopen}{false}%
}
\newcommand{\answer}[1][0]{%
\closeqanda%
\ifthenelse{#1=0}{}{\qnum{#1}\stepcounter{question}\stepcounter{question}}%
\begin{proof}[\theanswer]
\@minipagetrue%
\setboolean{answeropen}{true}%
\setcounter{question}{\value{nextanswer}}%
\stepcounter{nextanswer}%
\phantom{}%
}
\newcommand{\closeanswer}{%
\ifvmode\vspace*{-\baselineskip}\fi%
%\unskip%
\end{proof}%
\setboolean{answeropen}{false}%
}
\newenvironment{qanda}{%
\startqanda%
}{%
\closeqanda%
}
\makeatother
}{
%Values
\newcounter{question}
\newcounter{lastquestion}
\newboolean{firstquest}
%Control Sequences
\newcommand{\qnum}[1]{%
\setcounter{question}{#1}%
\addtocounter{question}{-1}%
\setcounter{lastquestion}{\value{question}}}
%The environment
\newenvironment{qanda}{%
\setcounter{question}{0}%
\setcounter{lastquestion}{0}%
\setboolean{firstquest}{true}%
\begin{list}{}{%
\renewcommand{\makelabel}[1]{\qcolour\textbf{##1}\\}%
\setlength{\leftmargin}{\qmargin}%
}%
}{%
\end{list}%
}
%The question and answer commands
\makeatletter
\newcommand{\question}[1][0]{%
\ifthenelse{\boolean{sepquest} \and \not \boolean{firstquest} }{\newpage}{}%
\setboolean{firstquest}{false}%
\ifthenelse{#1=0}{%
\stepcounter{question}%
\setcounter{lastquestion}{\value{question}}%
\item[Question \arabic{question}]%
}{%
\setcounter{lastquestion}{#1}%
\item[Question #1]%
}%
\hfill\break\@minipagetrue%
}
\newcommand{\answer}[1][0]{%
\vspace{\the\qagap}%
\ifthenelse{#1=0}{%
\item[Answer \arabic{lastquestion}]%
}{%
\item[Answer #1]%
}%
\hfill\break%
\@minipagetrue%
}
\makeatother
}