latex-packages-build/wip/mkessler-refproof.sty
Maximilian Keßler (via gitlab runner) b6589677e9 rename proof package to refproof
Build branch v2.4.3 (bc072ff) from kesslermaximilian/LatexPackages
2022-01-09 13:37:26 +00:00

148 lines
5.7 KiB
TeX

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% Copyright © 2022 Maximilian Keßler
%
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% copies or substantial portions of the Software.
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% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
% SOFTWARE.
%
% This package has been generated by PyTeX, available at
% https://github.com/kesslermaximilian/PyTeX
% and built from source file 'refproof.pysty'.
% It is STRONGLY DISCOURAGED to edit this source file directly, since local
% changes will not be versioned by Git and overwritten by the next build. Always
% edit the source file and build the package again.
%
% Build details:
% PyTeX version: v1.2.0-3-g5e077e7 (commit 5e077e7)
% Source code version: v2.4.3 (commit bc072ff)
%
% This LaTeX package is free software and distributed under the MIT License. You
% may use it freely for your purposes. The latest version of the package can be
% obtained via GitHub under
% https://github.com/kesslermaximilian/LatexPackages
% For further information see the url above.
% Reportings of bugs, suggestions and improvements are welcome, see the README
% at the Git repository for further information.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{mkessler-refproof}[2022/01/09 - Automatic references to theorems in proofs. Claim counters within proofs]
\RequirePackage{xkeyval}
\newif\ifmkessler@refproof@english\mkessler@refproof@englishtrue
\DeclareOptionX{german}{\mkessler@refproof@englishfalse}
\DeclareOptionX{ngerman}{\mkessler@refproof@englishfalse}
\DeclareOptionX{english}{\mkessler@refproof@englishtrue}
\DeclareOptionX*{\PackageWarning{mkessler-refproof}{Unknown '\CurrentOption'}}
\ProcessOptionsX*\relax
\RequirePackage{amssymb}
\RequirePackage{amsthm}
\RequirePackage{etoolbox}
\RequirePackage{xparse}
\RequirePackage{refcount}
\RequirePackage{translator}
\usedictionary{translator-proof-dictionary}
%%Give claim an own counter and let it reset at each proof
%See also at:
%https://tex.stackexchange.com/questions/283502/reset-counter-at-beginning-of-proof
\newtheorem{claim}{\translate{Claim}}
\newtheorem*{claim*}{\translate{Claim}}
\AtBeginDocument{\def\claimautorefname{\translate{Claim}}}
\newif\ifmkessler@refproof@hyperref\mkessler@refproof@hyperreffalse
\AtBeginDocument{
\@ifpackageloaded{hyperref}{
\mkessler@refproof@hyperreftrue
\let\mkessler@refproof@autoref\autoref
}{
\mkessler@refproof@hyperreftrue
\let\mkessler@refproof@autoref\ref
}
}
\let\mkessler@refproof@saved@proof\proof
\let\mkessler@refproof@saved@endproof\endproof
\NewDocumentEnvironment{refproof}{s m o}
{
% Restore correct counter for claim
\ifcsdef{themkessler@refproof@#2@save@claim}{
\setcounter{claim}{\value{mkessler@refproof@#2@save@claim}}
\def\mkessler@refproof@proofprefix{\IfBooleanTF{#1}{\translate{Continuation of proof* of}}{\translate{Continuation of proof of}}}
}{
\newcounter{mkessler@refproof@#2@save@claim}
\setcounter{claim}{0}
\def\mkessler@refproof@proofprefix{\IfBooleanTF{#1}{\translate{Proof* of}}{\translate{Proof of}}}
}
% Set up counter number printing as subindexed by numbering of the reference
\let\mkessler@refproof@theoldclaim\theclaim
\def\theclaim{\getrefnumber{#2}.\mkessler@refproof@theoldclaim}
% Now, start the actual proof
\mkessler@refproof@saved@proof[\mkessler@refproof@proofprefix\space\mkessler@refproof@autoref{#2}\IfValueT{#3}{\space(#3)}]
}
{
\mkessler@refproof@saved@endproof % End proof
% Save current claim counter for later restoration
\setcounter{mkessler@refproof@#2@save@claim}{\value{claim}}
}
% Proof (with asterisk)
\AtBeginDocument{
\RenewDocumentEnvironment{proof}{s o}
{
\mkessler@refproof@saved@proof[\IfBooleanTF{#1}{\translate{Proof*}}{\translate{Proof}}\IfValueT{#2}{\space(#2)}]
}
{
\mkessler@refproof@saved@endproof
}
}
\NewDocumentEnvironment{oldproof}{}{\mkessler@refproof@saved@proof}{\mkessler@refproof@saved@endproof}
%%subproof environment - essentially copied proof environment from amsthm and modified its name + symbol
\DeclareRobustCommand{\blackqed}{%
\ifmmode \mathqed
\else
\leavevmode\unskip\penalty9999 \hbox{}\nobreak\hfill
\quad\hbox{$\blacksquare$}%
\fi
}
\newenvironment{subproof}[1][\ifmkessler@refproof@english Subproof\else Unterbeweis\fi]{\par
\pushQED{\blackqed}%
\normalfont \topsep6\p@\@plus6\p@\relax
\trivlist
\item[\hskip\labelsep
\itshape
#1\@addpunct{.}]\ignorespaces
}{%
\popQED\endtrivlist\@endpefalse
}
%%%% This might be dropped, but for now is collected here
%%Solution (for exercises)
\newenvironment{solution}[1][]{\begin{proof}[\ifmkessler@refproof@english{}Solution\else{}Lösung\fi{}#1]}{\end{proof}}