diff --git a/math/translator-mathematical-categories-dictionary-English.dict b/math/translator-mathematical-categories-dictionary-English.dict
deleted file mode 100644
index 0168f6b..0000000
--- a/math/translator-mathematical-categories-dictionary-English.dict
+++ /dev/null
@@ -1,58 +0,0 @@
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Copyright © 2022 Maximilian Keßler
-% 
-% Permission is hereby granted, free of charge, to any person obtaining a copy
-% of this software and associated documentation files (the “Software”), to deal
-% in the Software without restriction, including without limitation the rights
-% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-% copies of the Software, and to permit persons to whom the Software is
-% furnished to do so, subject to the following conditions:
-% The above copyright notice and this permission notice shall be included in all
-% copies or substantial portions of the Software.
-% 
-% THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-% SOFTWARE.
-% 
-% This dictionary has been generated by PyTeX, available at
-%    https://github.com/kesslermaximilian/PyTeX
-% and built from source file 'mathematical-categories.pydict'.
-% 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 dictionary again.
-% 
-% Build details:
-%   PyTeX version: v1.2.0-16-gd1806d9 (commit d1806d9)
-%   Source code version: v2.5.1-1-gda44daa (commit da44daa)
-% 
-% This LaTeX dictionary is free software and distributed under the MIT License. You
-% may use it freely for your purposes. The latest version of the dictionary 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.
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\ProvidesDictionary{translator-mathematical-categories-dictionary}{English}
-
-\providetranslation{Index of categories}{Index of categories}
-\providetranslation{Top (Category description)}{spaces and continuous maps}
-\providetranslation{Set (Category description)}{Sets and functions}
-\providetranslation{hTop (Category description)}{Spaces and homotopy classes of continuous maps}
-\providetranslation{CHaus (Category description)}{Compact hausdorff spaces and continuous maps}
-\providetranslation{Grp (Category description)}{Groups and homomorphisms}
-\providetranslation{Ab (Category description)}{Abelian groups and homomorphisms}
-\providetranslation{CRing (Category description)}{Commutative rings and homomorphisms}
-\providetranslation{Ring (Category description)}{Rings and homomorphisms}
-\providetranslation{Vect (Category description)}{$k$-vector spaces and linear maps}
-\providetranslation{Cat (Category description)}{Small categories and functors}
-\providetranslation{Mod (Category description)}{Left $R$-modules and homomorphisms}
-\providetranslation{Alg (Category description)}{$k$-algebras and homomorphisms}
-\providetranslation{Field (Category description)}{Fields and field extensions}
-\providetranslation{AffVar (Category description)}{Affine Varieties over $k$}
-\providetranslation{Sch (Category description)}{Schemes and homomorphisms}
diff --git a/math/translator-mathematical-categories-dictionary-German.dict b/math/translator-mathematical-categories-dictionary-German.dict
deleted file mode 100644
index 8975b04..0000000
--- a/math/translator-mathematical-categories-dictionary-German.dict
+++ /dev/null
@@ -1,58 +0,0 @@
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Copyright © 2022 Maximilian Keßler
-% 
-% Permission is hereby granted, free of charge, to any person obtaining a copy
-% of this software and associated documentation files (the “Software”), to deal
-% in the Software without restriction, including without limitation the rights
-% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-% copies of the Software, and to permit persons to whom the Software is
-% furnished to do so, subject to the following conditions:
-% The above copyright notice and this permission notice shall be included in all
-% copies or substantial portions of the Software.
-% 
-% THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-% SOFTWARE.
-% 
-% This dictionary has been generated by PyTeX, available at
-%    https://github.com/kesslermaximilian/PyTeX
-% and built from source file 'mathematical-categories.pydict'.
-% 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 dictionary again.
-% 
-% Build details:
-%   PyTeX version: v1.2.0-16-gd1806d9 (commit d1806d9)
-%   Source code version: v2.5.1-1-gda44daa (commit da44daa)
-% 
-% This LaTeX dictionary is free software and distributed under the MIT License. You
-% may use it freely for your purposes. The latest version of the dictionary 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.
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-\ProvidesDictionary{translator-mathematical-categories-dictionary}{German}
-
-\providetranslation{Index of categories}{Kategorienverzeichnis}
-\providetranslation{Top (Category description)}{Räume und stetige Abbildungen}
-\providetranslation{Set (Category description)}{Mengen und Funktionen}
-\providetranslation{hTop (Category description)}{Räume und Homotopieklassen von stetigen Abbildungen}
-\providetranslation{CHaus (Category description)}{Kompakte Hausdorffräume und stetige Abbildungen}
-\providetranslation{Grp (Category description)}{Gruppen und Homomorphismen}
-\providetranslation{Ab (Category description)}{Abelsche Gruppen und Homomoorphismen}
-\providetranslation{CRing (Category description)}{Kommutative Ringe und Homomorphismen}
-\providetranslation{Ring (Category description)}{Ringe und Homomorphismen}
-\providetranslation{Vect (Category description)}{Vektorräume und lineare Abbildungen}
-\providetranslation{Cat (Category description)}{Kleine Kategorien und Funktoren}
-\providetranslation{Mod (Category description)}{$R$-Linksmodule und Homomorphismen}
-\providetranslation{Alg (Category description)}{$k$-Algebren und Homomorphismen}
-\providetranslation{Field (Category description)}{Körper und Körpererweiterungen}
-\providetranslation{AffVar (Category description)}{Affine Varietäten über $k$}
-\providetranslation{Sch (Category description)}{Schemata und Homomorphismen}
diff --git a/wip/mkessler-proof.sty b/wip/mkessler-proof.sty
deleted file mode 100644
index 9f79a39..0000000
--- a/wip/mkessler-proof.sty
+++ /dev/null
@@ -1,144 +0,0 @@
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Copyright © 2021 Maximilian Keßler
-% 
-% Permission is hereby granted, free of charge, to any person obtaining a copy
-% of this software and associated documentation files (the “Software”), to deal
-% in the Software without restriction, including without limitation the rights
-% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-% copies of the Software, and to permit persons to whom the Software is
-% furnished to do so, subject to the following conditions:
-% The above copyright notice and this permission notice shall be included in all
-% copies or substantial portions of the Software.
-% 
-% THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-% 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 'proof.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: v1.0.0-18 (commit 126d420)
-%   Source code version: v2.2.2-3 (commit 1113e0d)
-% 
-% 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-proof}[2021/10/24 - Automatic references to theorems in proofs. Claim counters within proofs]
-
-
-
-\RequirePackage{xkeyval}
-
-\newif\ifmkessler@proof@english\mkessler@proof@englishtrue
-\DeclareOptionX{german}{\mkessler@proof@englishfalse}
-\DeclareOptionX{ngerman}{\mkessler@proof@englishfalse}
-\DeclareOptionX{english}{\mkessler@proof@englishtrue}
-
-\DeclareOptionX*{\PackageWarning{mkessler-proof}{Unknown '\CurrentOption'}}
-\ProcessOptionsX*\relax
-
-
-\RequirePackage{amssymb}
-\RequirePackage{amsthm}
-\RequirePackage{etoolbox}
-\RequirePackage{xparse}
-
-%%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}{\ifmkessler@proof@english Claim\else Behauptung\fi}
-\newtheorem*{claim*}{\ifmkessler@proof@english Claim\else Behauptung\fi}
-\AtBeginDocument{\def\claimautorefname{\ifmkessler@proof@english Claim\else Behauptung\fi}}
-
-\newif\ifmkessler@proof@hyperref\mkessler@proof@hyperreffalse
-\AtBeginDocument{
-    \@ifpackageloaded{hyperref}{
-        \mkessler@proof@hyperreftrue
-        \def\grab#1{\expandafter\@firstoffive#1}
-        \def\mkessler@proof@blankref#1{\expandafter\grab\csname r@#1\endcsname}
-        \let\mkessler@proof@autoref\autoref
-    }{
-        \mkessler@proof@hyperreftrue
-        \let\mkessler@proof@blankref\ref
-        \let\mkessler@proof@autoref\ref
-    }
-}
-
-\NewDocumentEnvironment{rproof}{m O{}}{\def\mkessler@proof@aster{\relax}\begin{mkessler@proof@rproof@impl}{#1}[#2]}{\end{mkessler@proof@rproof@impl}}
-\NewDocumentEnvironment{rproof*}{m O{}}{\def\mkessler@proof@aster{*}\begin{mkessler@proof@rproof@impl}{#1}[#2]}{\end{mkessler@proof@rproof@impl}}
-
-\NewDocumentEnvironment{mkessler@proof@rproof@impl}{m O{}}
-{
-    % Restore correct counter for claim
-    \ifcsdef{themkessler@proof@#1@save@claim}{
-        \setcounter{claim}{\value{mkessler@proof@#1@save@claim}}
-        \def\mkessler@proof@proofprefix{\ifmkessler@proof@english Continuation of proof\mkessler@proof@aster\space of\else Fortsetzung des Beweises\mkessler@proof@aster\space zu\fi}
-        \edef\haha{\value{mkessler@proof@#1@part}}
-    }{
-        \newcounter{mkessler@proof@#1@save@claim}
-        \setcounter{claim}{0}
-        \def\mkessler@proof@proofprefix{\ifmkessler@proof@english Proof\mkessler@proof@aster\space of\else Beweis\mkessler@proof@aster\space von\fi}
-    }
-    % Set up counter number printing as subindexed by numbering of the reference
-    \let\mkessler@proof@theoldclaim\theclaim
-    \def\theclaim{\mkessler@proof@blankref{#1}.\mkessler@proof@theoldclaim}
-    % Now, start the actual proof
-    \begin{proof}[\mkessler@proof@proofprefix\space\mkessler@proof@autoref{#1}\if\relax\detokenize{#2}\relax\else\space(#2)\fi]
-}
-{
-    \end{proof} % End proof
-    % Save current claim counter for later restoration
-    \setcounter{mkessler@proof@#1@save@claim}{\value{claim}}
-}
-
-% Proof (with asterisk)
-\NewDocumentEnvironment{proof*}{O{}}
-{
-    \if\relax\detokenize{#1}\relax\begin{proof}[\ifmkessler@proof@english Proof\emph{*}\else Beweis\emph{*}\fi]\else\begin{proof}[#1\emph{*}]\fi
-}
-{
-    \end{proof}
-}
-
-
-%%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@proof@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@proof@english{}Solution\else{}Lösung\fi{}#1]}{\end{proof}}