% Theme for the Hochschule Furtwangen University
% Version 2.1
% https://git.unfug.hs-furtwangen.de/weberval/HFU-Beamer
% https://github.com/weberval/HFU


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\RequirePackage{calc}
\RequirePackage{etoolbox}
\RequirePackage[utf8]{inputenc}
\RequirePackage[LGR, T1]{fontenc}
\RequirePackage{datetime2}
\RequirePackage{thmtools}
\RequirePackage{tikz}
\hypersetup{colorlinks,
            urlcolor  = hfulink,
            linkcolor =,
            citecolor =}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%% Standard headers:
\DeclareOptionBeamer{american}
{
    \def \HFUlang {eng}
    \def \HFUlangII {american}
}
\DeclareOptionBeamer{english}
{
    \def \HFUlang {eng}
    \def \HFUlangII {english}
}
\DeclareOptionBeamer{UKenglish}
{
    \def \HFUlang {eng}
    \def \HFUlangII {UKenglish}
}
\DeclareOptionBeamer{USenglish}
{
    \def \HFUlang {eng}
    \def \HFUlangII {USenglish}
}
\DeclareOptionBeamer{german}
{
    \def \HFUlang {de}
    \def \HFUlangII {ngerman}
}
\urlstyle{same}

%% Vertical text alignment:
\DeclareOptionBeamer{c}{ \beamer@centeredtrue  }
\DeclareOptionBeamer{t}{ \beamer@centeredfalse }


%% Theorem numbers:
\DeclareOptionBeamer{unnumbered}{ \def \HFUtheorem {}          }
\DeclareOptionBeamer{numbered}  { \def \HFUtheorem {numbered}  }
\DeclareOptionBeamer{AMS}       { \def \HFUtheorem {ams style} }


%% Font:
\providebool{neohellenic}
\providebool{latinmodern}
\DeclareOptionBeamer{SansSerif}
{
    \def \HFUfont {default}
    \setbool{neohellenic}{true}
    \setbool{latinmodern}{false}
    \AtBeginDocument{\sbox0{\(\mathsf{\xdef\mathsfgroup{\the\mathgroup}}\)}}
    \def\operator@font{\mathgroup\mathsfgroup}
}
\DeclareOptionBeamer{HFUSerif}
{
    \def \HFUfont {professionalfonts}
    \setbool{neohellenic}{false}
    \setbool{latinmodern}{false}
    \AtBeginDocument{\sbox0{\(\mathrm{\xdef\mathrmgroup{\the\mathgroup}}\)}}
    \def\operator@font{\mathgroup\mathrmgroup}
}
\DeclareOptionBeamer{Serif}
{
    \def \HFUfont {serif}
    \setbool{neohellenic}{false}
    \setbool{latinmodern}{true}
    \AtBeginDocument{\sbox0{\(\mathrm{\xdef\mathrmgroup{\the\mathgroup}}\)}}
    \def\operator@font{\mathgroup\mathrmgroup}
}


%% Automatic title frame:
\DeclareOptionBeamer{TitlePage} { \def \HFUfirstframe {\TitlePage}  }
\DeclareOptionBeamer{NoTitlePage} { \def \HFUfirstframe {} }


%% Top Logo positioning
\providebool{logotop}
\DeclareOptionBeamer{logotop}{
    \setbool{logotop}{true}
}


\ExecuteOptionsBeamer{english}
\ExecuteOptionsBeamer{t}
\ExecuteOptionsBeamer{unnumbered}
\ExecuteOptionsBeamer{SansSerif}
\ExecuteOptionsBeamer{TitlePage}
\ProcessOptionsBeamer


\AtBeginDocument{ \HFUfirstframe }


\RequirePackage[\HFUlangII]{babel}


% Use a neohellenic font from the Greek Font Society
% for small, greek letters. It is a sans serif that
% matches Helvetica better in style and weight than
% the standard Computer Modern.
\ifbool{neohellenic}
{
    \DeclareSymbolFont{neomath}{OML}{neohellenic}{m}{n}
    \DeclareMathSymbol{\alpha}\mathord{neomath}{"0B}
    \DeclareMathSymbol{\beta}\mathord{neomath}{"0C}
    \DeclareMathSymbol{\gamma}\mathord{neomath}{"0D}
    \DeclareMathSymbol{\delta}\mathord{neomath}{"0E}
    \DeclareMathSymbol{\epsilon}\mathord{neomath}{"0F}
    \DeclareMathSymbol{\zeta}\mathord{neomath}{"10}
    \DeclareMathSymbol{\eta}\mathord{neomath}{"11}
    \DeclareMathSymbol{\theta}\mathord{neomath}{"12}
    \DeclareMathSymbol{\theta}\mathord{neomath}{"12}
    \DeclareMathSymbol{\iota}\mathord{neomath}{"13}
    \DeclareMathSymbol{\kappa}\mathord{neomath}{"14}
    \DeclareMathSymbol{\lambda}\mathord{neomath}{"15}
    \DeclareMathSymbol{\mu}\mathord{neomath}{"16}
    \DeclareMathSymbol{\nu}\mathord{neomath}{"17}
    \DeclareMathSymbol{\xi}\mathord{neomath}{"18}
    \DeclareMathSymbol{\pi}\mathord{neomath}{"19}
    \DeclareMathSymbol{\rho}\mathord{neomath}{"1A}
    \DeclareMathSymbol{\sigma}\mathord{neomath}{"1B}
    \DeclareMathSymbol{\tau}\mathord{neomath}{"1C}
    \DeclareMathSymbol{\upsilon}\mathord{neomath}{"1D}
    \DeclareMathSymbol{\phi}\mathord{neomath}{"1E}
    \DeclareMathSymbol{\chi}\mathord{neomath}{"1F}
    \DeclareMathSymbol{\psi}\mathord{neomath}{"20}
    \DeclareMathSymbol{\omega}\mathord{neomath}{"21}
    \DeclareMathSymbol{\varepsilon}\mathord{neomath}{"22}
    \DeclareMathSymbol{\vartheta}\mathord{neomath}{"23}
    \DeclareMathSymbol{\varpi}\mathord{neomath}{"24}
    \DeclareMathSymbol{\varrho}\mathord{neomath}{"25}
    \DeclareMathSymbol{\varsigma}\mathord{neomath}{"26}
    \DeclareMathSymbol{\varphi}\mathord{neomath}{"27}
}
{}

\ifbool{latinmodern}
{
    \renewcommand{\rmdefault}{lmr} % Latin Modern Roman
}
{
   \renewcommand{\rmdefault}{pbk}  % Bookman
}

\renewcommand{\sfdefault}{phv} % Helvetica
\renewcommand{\ttdefault}{pcr} % Courier


%% Allow more stretching
\setlength{\emergencystretch}{3em}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

% vst-green     00844D
% asta-green    75C445
% asta-blue     003757

%% Official colours:
\definecolor{vst-green}     {HTML}{00844D} % HFU Applegreen
\definecolor{asta-green}    {HTML}{75C445} % HFU Opalgreen
\definecolor{asta-blue}     {HTML}{003757}
\definecolor{customgray}    {HTML}{EBEBEB}
\definecolor{hfulightgray}  {HTML}{c1c6c8} % HFU Light Gray
\definecolor{hfuanthrazit}  {HTML}{707173} % HFU Anthrazit
\definecolor{hfulink}       {HTML}{75C445} % HFU Applegreen

\definecolor{grayblue}      {HTML}{21252b}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\mode<presentation>


\useinnertheme{rectangles}
\usefonttheme{\HFUfont}


\setbeamertemplate{theorems}[\HFUtheorem]
\setbeamertemplate{qed symbol}{\(\blacksquare\)}
\setbeamertemplate{navigation symbols}{}
\setbeamertemplate{caption label separator}{: }
\setbeamersize{text margin left  = 3.845mm,
               text margin right = 3.845mm}



\setbeamercolor{background canvas}{bg=grayblue}

%% Standard colours:
\colorlet{alert}{asta-green}
\setbeamercolor{structure}{fg = asta-green}
% theorem
\setbeamercolor{block title}{fg = white,
                             bg = hfuanthrazit}
\setbeamercolor{block body} {bg = customgray}
% example
\setbeamercolor{block title example}{fg = white,
                                     bg = asta-blue}
\setbeamercolor{block body example} {bg = customgray}
%important
\setbeamercolor{block title alerted}{fg = white,
                                     bg = asta-green}
\setbeamercolor{block body alerted} {bg = customgray}

\setbeamercolor{alerted text} {fg = asta-green}
\setbeamercolor{footnote mark}{fg = asta-green}
\setbeamercolor{section in head/foot}{fg = white,
                                      bg = asta-green}
\setbeamercolor{section in toc}{fg = black}
\setbeamercolor{bibliography entry location}{fg = structure}


%% Custom colours:
\setbeamercolor*{section page}{fg = white, bg = structure}
\setbeamercolor{section page alt}{fg = asta-green, bg = white}

%% Standard fonts:
\setbeamerfont{author}    {size   = \LARGE,
                           series = \normalfont\bfseries}
\setbeamerfont{date}      {size   = \large,
                            series = \normalfont\mdseries}
\setbeamerfont{title}     {size   = \huge,
                           series = \bfseries}
\setbeamerfont{subtitle}  {size   = \LARGE,
                           series = \normalfont\mdseries}
\setbeamerfont{frametitle}{size = \LARGE,
                           series = \bfseries}
\setbeamerfont{title in head/foot} {series = \bfseries}
\setbeamerfont{author in head/foot}{series = \bfseries}
\setbeamerfont{date in head/foot}  {series = \bfseries}
\setbeamerfont{section in toc}     {series = \bfseries}


%% Custom fonts:
\setbeamerfont*{section page}{size   = \Huge,
                              series = \bfseries}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{title page}
{
    \begin{center}
        \usebeamerfont{title}
        \inserttitle
        \\
        \usebeamerfont{subtitle}
        \insertsubtitle
    \end{center}
    \begin{beamercolorbox}[wd        = \paperwidth,
                           ht        = 11 mm,
                           dp        = \dimexpr 0.4\paperheight - 11 mm \relax,
                           leftskip  = 1 em,
                           rightskip = 1 em]
                          {section in head/foot}
        \begin{minipage}[t][0.28\paperheight]{\textwidth}
            \centering
            \usebeamerfont{author}
            \insertauthor
            \\
            \usebeamerfont{date}
            \vspace{0.5ex}
            \insertdate
            \vfill
            \hfill
            \includegraphics[height = 0.12\paperheight]{HFU-images/asta_logo_weis.pdf}
        \end{minipage}
    \end{beamercolorbox}
    \vspace*{-1.3em}
}


\newcommand{\TitlePage}
{{
    \begin{frame}[b, plain, noframenumbering]
        \titlepage
    \end{frame}
}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{frametitle}
{
    \vbox
    {
        \strut\insertframetitle\strut
    }
    %\vskip-1.3ex
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{headline}{ \vspace*{1.7 mm} }


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{footline}
{
    \leavevmode
    \hbox
    {%
        \begin{beamercolorbox}[wd = 0.33\paperwidth,
                               ht = 2.25ex,
                               dp = 1ex,
                               rightskip=.3cm plus1fill]
                              {section in head/foot}
                \usebeamerfont{author in head/foot}
                \hspace*{5ex}
                \insertshortauthor
        \end{beamercolorbox}%
        \begin{beamercolorbox}[wd = 0.34\paperwidth,
                               ht = 2.25ex,
                               dp = 1ex,
                               leftskip=.3cm plus1fill,
                               rightskip=.3cm plus1fill]
                              {section in head/foot}
                \usebeamerfont{title in head/foot}
                \insertshorttitle
        \end{beamercolorbox}%
        \begin{beamercolorbox}[wd = 0.33\paperwidth,
                               ht = 2.25ex,
                               dp = 1ex,
                               leftskip=.3cm plus1fill]
                              {section in head/foot}
                \usebeamerfont{date in head/foot}
                \insertshortdate
                \hspace*{2em}
                \insertframenumber{} / \inserttotalframenumber
                \hspace*{5ex}
        \end{beamercolorbox}
    }
    \vskip0pt
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newcommand{\hidelogo}{\logo{}}
\newcommand{\showlogo}{
    \logo{
        \ifbool{logotop}{
            % logo right top
            \ifdimequal{\beamer@paperheight}{10cm}{
                \pgfputat{\pgfxy(-0.07,8.2)}{\llap{\includegraphics[height = 0.08\paperheight]{HFU-images/asta_logo_weis.pdf}}}
            }{
                \ifdimequal{\beamer@paperheight}{9.6cm}{
                    \pgfputat{\pgfxy(-0.07,7.8)}{\llap{\includegraphics[height = 0.08\paperheight]{HFU-images/asta_logo_weis.pdf}}}
                }{
                    \ifdimequal{\beamer@paperheight}{9cm}{
                        \pgfputat{\pgfxy(-0.07,7.2)}{\llap{\includegraphics[height = 0.08\paperheight]{HFU-images/asta_logo_weis.pdf}}}
                    }{
                        \ClassWarningNoLine{HFU-Beamer}{logotop is not available.}
                    }
                }
            }
        }{
            % logo right bottom
            \includegraphics[height = 0.08\paperheight]{HFU-images/asta_logo_black.pdf}
        }
    }
}
\showlogo


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Redefine blocks with larger indentations,
%% and some environmental colours:
\setbeamertemplate{block begin}
{
    \setbeamercolor{itemize item}      {fg = block title.bg}
    \setbeamercolor{itemize subitem}   {fg = block title.bg}
    \setbeamercolor{itemize subsubitem}{fg = block title.bg}
    \setbeamercolor{item projected}{fg = block title.fg,
                                    bg = block title.bg}
    \setbeamercolor{description item}{fg = alert}
    \setbeamercolor{caption name}    {fg = alert}

    \unskip
    \vskip1.3ex

    \begin{beamercolorbox}[ht        = 2.4  ex,
                           dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex]
                          {block title}

        \usebeamerfont*{block title}
        \insertblocktitle
    \end{beamercolorbox}

    \nointerlineskip

    \usebeamerfont{block body}
    \begin{beamercolorbox}[dp        = 1    ex,
                           leftskip  = 0.75 ex,
                             rightskip = 0.75 ex,
                           vmode]
                          {block body}
        \vspace*{1ex}
        \begin{minipage}{\textwidth - 1.5ex}
}

\setbeamertemplate{block end}
{
        \end{minipage}
    \vskip0pt
    \end{beamercolorbox}
    \vskip1.3ex
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{block example begin}
{
    \setbeamercolor{itemize item}      {fg = block title example.bg}
    \setbeamercolor{itemize subitem}   {fg = block title example.bg}
    \setbeamercolor{itemize subsubitem}{fg = block title example.bg}
    \setbeamercolor{item projected}{fg = block title example.fg,
                                    bg = block title example.bg}
    \setbeamercolor{description item}{fg = alert}
    \setbeamercolor{caption name}    {fg = alert}

    \unskip
    \vskip1.3ex

    \begin{beamercolorbox}[ht        = 2.4  ex,
                           dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex]
                          {block title example}

        \usebeamerfont*{block title example}
        \insertblocktitle
    \end{beamercolorbox}

    \nointerlineskip

    \usebeamerfont{block body example}
    \begin{beamercolorbox}[dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex,
                           vmode]
                          {block body example}
        \vspace*{1ex}
        \begin{minipage}{\textwidth - 1.5ex}
}

\setbeamertemplate{block example end}
{
        \end{minipage}
    \vskip0pt
    \end{beamercolorbox}
    \vskip1.3ex
}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\setbeamertemplate{block alerted begin}
{
    \setbeamercolor{itemize item}      {fg = block title alerted.bg}
    \setbeamercolor{itemize subitem}   {fg = block title alerted.bg}
    \setbeamercolor{itemize subsubitem}{fg = block title alerted.bg}
    \setbeamercolor{item projected}{fg = block title alerted.fg,
                                    bg = block title alerted.bg}
    \setbeamercolor{description item}{fg = alert}
    \setbeamercolor{caption name}    {fg = alert}

    \unskip
    \vskip1.3ex

    \begin{beamercolorbox}[ht        = 2.4  ex,
                           dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex]
                          {block title alerted}

        \usebeamerfont*{block title alerted}
        \insertblocktitle
    \end{beamercolorbox}

    \nointerlineskip

    \usebeamerfont{block body alerted}
    \begin{beamercolorbox}[dp        = 1    ex,
                           leftskip  = 0.75 ex,
                           rightskip = 0.75 ex,
                           vmode]
                          {block body alerted}
        \vspace*{1ex}
        \begin{minipage}{\textwidth - 1.5ex}
}

\setbeamertemplate{block alerted end}
{
        \end{minipage}
    \vskip0pt
    \end{beamercolorbox}
    \vskip1.3ex

}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Reference enumerate items
\newcommand{\enumref}[1]
{{%
    \leavevmode\unskip
    \def\insertenumlabel{\ref{#1}}
    \usebeamertemplate*{enumerate item}%
}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%



\setbeamertemplate{section page}
{
    \begin{center}
        \vskip\baselineskip
        \insertsection
    \end{center}
}

\newcommand{\SectionFrame}
{{
    \setbeamercolor{background canvas}{parent = section page}
    \begin{frame}[c, plain, noframenumbering]
        \sectionpage
    \end{frame}
}}

\newcommand{\SectionFrameWithText}[1]
{{
    \setbeamercolor{background canvas}{parent = section page}
    \usebeamerfont{section page}
    \usebeamercolor[fg]{section page}
    \begin{frame}[c, plain, noframenumbering]
        \begin{center}
            \vskip\baselineskip
            #1
        \end{center}
    \end{frame}
}}

\newcommand{\SectionFrameAlt}
{{
    \usebeamerfont{section page}
    \usebeamercolor[fg]{section page alt}
    \begin{frame}[c]
        \begin{center}
            \vskip.75\baselineskip
            \insertsection
        \end{center}
    \end{frame}
}}

\newcommand{\SectionFrameAltWithText}[1]
{{
    \usebeamerfont{section page}
    \usebeamercolor[fg]{section page alt}
    \begin{frame}[c]
        \begin{center}
            \vskip.75\baselineskip
            #1
        \end{center}
    \end{frame}
}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\newcommand<>{\ConclusionArrow}[1]
{{
    \only#2{
        \begin{tikzpicture}[line width=.2cm]
            \tikzset{every edge/.append style = {>=stealth, align=left}}
            \draw[asta-green,arrows={-Triangle[length=0.5cm,width=.5cm]}] (0,0) - - (1,0);
            \node[text width=\textwidth, anchor=west, right] at (1,0) {#1};
        \end{tikzpicture}
    }
}}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


\mode<all>


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Translate environment names to German:
\uselanguage {\HFUlang}
\languagepath{\HFUlang}

\deftranslation[to = de]{assumption} {Annahme}
\deftranslation[to = de]{Assumption} {Annahme}
\deftranslation[to = de]{axiom}      {Axiom}
\deftranslation[to = de]{Axiom}      {Axiom}
\deftranslation[to = de]{calculation}{Kalkulation}
\deftranslation[to = de]{Calculation}{Kalkulation}
\deftranslation[to = de]{computation}{Berechnung}
\deftranslation[to = de]{Computation}{Berechnung}
\deftranslation[to = de]{conjecture} {Vermutung}
\deftranslation[to = de]{Conjecture} {Vermutung}
\deftranslation[to = de]{corollary}  {Folgerung}
\deftranslation[to = de]{Corollary}  {Folgerung}
\deftranslation[to = de]{definition} {Definition}
\deftranslation[to = de]{Definition} {Definition}
\deftranslation[to = de]{definitions}{Definitionen}
\deftranslation[to = de]{Definitions}{Definitionen}
\deftranslation[to = de]{example}    {Beispiel}
\deftranslation[to = de]{Example}    {Beispiel}
\deftranslation[to = de]{examples}   {Beispiele}
\deftranslation[to = de]{Examples}   {Beispiele}
\deftranslation[to = de]{fact}       {Fakt}
\deftranslation[to = de]{Fact}       {Fakt}
\deftranslation[to = de]{facts}      {Fakten}
\deftranslation[to = de]{Facts}      {Fakten}
\deftranslation[to = de]{hypothesis} {Hypothese}
\deftranslation[to = de]{Hypothesis} {Hypothese}
\deftranslation[to = de]{notation}   {Notation}
\deftranslation[to = de]{Notation}   {Notation}
\deftranslation[to = de]{observation}{Beobachtung}
\deftranslation[to = de]{Observation}{Beobachtung}
\deftranslation[to = de]{property}   {Eigenschaft}
\deftranslation[to = de]{Property}   {Eigenschaft}
\deftranslation[to = de]{proposition}{Vorschlag}
\deftranslation[to = de]{Proposition}{Vorschlag}
\deftranslation[to = de]{remark}     {Anmerkung}
\deftranslation[to = de]{Remark}     {Anmerkung}
\deftranslation[to = de]{remarks}    {Anmerkungen}
\deftranslation[to = de]{Remarks}    {Anmerkungen}
\deftranslation[to = de]{theorem}    {Satz}
\deftranslation[to = de]{Theorem}    {Satz}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


%% Define additional theorem-like environments:
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {\translate[to=\HFUlang]{Conjecture}}]
                {conjecture}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {\translate[to=\HFUlang]{Facts}}]
                {facts}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {\translate[to=\HFUlang]{Hypothesis}}]
                {hypothesis}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {\translate[to=\HFUlang]{Observation}}]
                {observation}
\declaretheorem[style   = plain,
                sibling = theorem,
                name    = {\translate[to=\HFUlang]{Proposition}}]
                {proposition}
\declaretheorem[style = definition,
                name  = {\translate[to=\HFUlang]{Assumption}}]
                {assumption}
\declaretheorem[style = definition,
                name  = {\translate[to=\HFUlang]{Axiom}}]
                {axiom}
\declaretheorem[style = definition,
                name  = {\translate[to=\HFUlang]{Property}}]
                {property}
\declaretheorem[style    = definition,
                numbered = no,
                name     = {\translate[to=\HFUlang]{Calculation}}]
                {calculation}
\declaretheorem[style    = definition,
                numbered = no,
                name     = {\translate[to=\HFUlang]{Computation}}]
                {computation}
\declaretheorem[style   = definition,
                sibling = theorem,
                name    = {\translate[to=\HFUlang]{Notation}}]
                {notation}
\declaretheorem[style = remark,
                name  = {\translate[to=\HFUlang]{Remark}}]
                {remark}
\declaretheorem[style   = remark,
                sibling = remark,
                name    = {\translate[to=\HFUlang]{Remarks}}]
                {remarks}


\endinput