2020年度は、多くの授業をオンデマンドで行うために、 大量の資料を作成したが、私は LATEX Beamer を使った。
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\setbeamertemplate{theorems}[normal font]
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\setbeamertemplate{theorems}[numbered]
\addtobeamertemplate{theorem begin}{\normalfont}{}
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\renewcommand\thetheorem{\arabic{lecture}.\arabic{theorem}}
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\setbeamertemplate{bibliography item}{\insertbiblabel}
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\uselanguage{japanese}
\languagepath{japanese}
\deftranslation[to=japanese]{Theorem}{定理}
\deftranslation[to=japanese]{Corollary}{系}% ある
\deftranslation[to=japanese]{Lemma}{補題}
%\deftranslation[to=japanese]{Proposition}{命題}% ない!
\deftranslation[to=japanese]{Example}{例}
\deftranslation[to=japanese]{Examples}{例}
\deftranslation[to=japanese]{Definition}{定義}
\deftranslation[to=japanese]{Definitions}{定義}
\deftranslation[to=japanese]{Problem}{問題}
\deftranslation[to=japanese]{Solution}{解}
\deftranslation[to=japanese]{Fact}{事実}
\deftranslation[to=japanese]{Proof}{証明}
\def\proofname{証明}
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\deftranslation[to=japanese]{Figure}{図}
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\newtheorem{proposition}[theorem]{命題}
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\setbeamertemplate{footline}[frame number]
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% footline を変える
\makeatletter
\setbeamertemplate{footline}{%
  \leavevmode%
  \hbox{%
    \begin{beamercolorbox}[wd=.15\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
      \usebeamerfont{author in head/foot}\insertshortauthor\expandafter\ifblank\expandafter{\beamer@shortinstitute}{}{~~(\insertshortinstitute)}
    \end{beamercolorbox}%
    \begin{beamercolorbox}[wd=.77\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
      \usebeamerfont{title in head/foot}\insertshorttitle
      \hspace*{2ex}\insertshortsubtitle
    \end{beamercolorbox}%
  }%
  \begin{beamercolorbox}[wd=.08\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
    \usebeamerfont{date in head/foot}%
    \usebeamertemplate{page number in head/foot}%
    \hspace*{2ex} 
  \end{beamercolorbox}
  \vskip0pt%
}
\makeatother
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\begin{frame}[allowframebreaks]
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