97 lines
3.4 KiB
Text
97 lines
3.4 KiB
Text
|
__HEADER__(Automatic references to theorems in proofs. Claim counters within proofs)
|
||
|
|
|
||
|
|
\RequirePackage{xkeyval}
|
||
|
|
|
||
|
|
__LANGUAGE_OPTIONS__
|
||
|
|
|
||
|
|
__END_OPTIONS_X__
|
||
|
|
|
||
|
|
\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}{__IF__(english) Claim\else Behauptung\fi}
|
||
|
|
\newtheorem*{claim*}{__IF__(english) Claim\else Behauptung\fi}
|
||
|
|
\AtBeginDocument{\def\claimautorefname{__IF__(english) Claim\else Behauptung\fi}}
|
||
|
|
|
||
|
|
\newif\ifhyperref
|
||
|
|
\AtBeginDocument{
|
||
|
|
\@ifpackageloaded{hyperref}{
|
||
|
|
\hyperreftrue
|
||
|
|
\def\grab#1{\expandafter\@firstoffive#1}
|
||
|
|
\def__PACKAGE_MACRO__(blankref)#1{\expandafter\grab\csname r@#1\endcsname}
|
||
|
|
\let__PACKAGE_MACRO__(autoref)\autoref
|
||
|
|
}{
|
||
|
|
\hyperreffalse
|
||
|
|
\let__PACKAGE_MACRO__(blankref)\ref
|
||
|
|
\let__PACKAGE_MACRO__(autoref)\ref
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
\NewDocumentEnvironment{rproof}{m O{}}{\def__PACKAGE_MACRO__(aster){\relax}\begin{__PACKAGE_PREFIX__rproof@impl}{#1}[#2]}{\end{__PACKAGE_PREFIX__rproof@impl}}
|
||
|
|
\NewDocumentEnvironment{rproof*}{m O{}}{\def__PACKAGE_MACRO__(aster){*}\begin{__PACKAGE_PREFIX__rproof@impl}{#1}[#2]}{\end{__PACKAGE_PREFIX__rproof@impl}}
|
||
|
|
|
||
|
|
\NewDocumentEnvironment{__PACKAGE_PREFIX__rproof@impl}{m O{}}
|
||
|
|
{
|
||
|
|
% Restore correct counter for claim
|
||
|
|
\ifcsdef{the__PACKAGE_PREFIX__#1@save@claim}{
|
||
|
|
\setcounter{claim}{\value{__PACKAGE_PREFIX__#1@save@claim}}
|
||
|
|
\def__PACKAGE_MACRO__(proofprefix){__IF__(english) Continuation of proof__PACKAGE_MACRO__(aster)\space of\else Fortsetzung des Beweises__PACKAGE_MACRO__(aster)\space zu\fi}
|
||
|
|
\edef\haha{\value{__PACKAGE_PREFIX__#1@part}}
|
||
|
|
}{
|
||
|
|
\newcounter{__PACKAGE_PREFIX__#1@save@claim}
|
||
|
|
\setcounter{claim}{0}
|
||
|
|
\def__PACKAGE_MACRO__(proofprefix){__IF__(english) Proof__PACKAGE_MACRO__(aster)\space of\else Beweis__PACKAGE_MACRO__(aster)\space von\fi}
|
||
|
|
}
|
||
|
|
% Set up counter number printing as subindexed by numbering of the reference
|
||
|
|
\let__PACKAGE_MACRO__(theoldclaim)\theclaim
|
||
|
|
\def\theclaim{__PACKAGE_MACRO__(blankref){#1}.__PACKAGE_MACRO__(theoldclaim)}
|
||
|
|
% Now, start the actual proof
|
||
|
|
\begin{proof}[__PACKAGE_MACRO__(proofprefix)\space__PACKAGE_MACRO__(autoref){#1}\if\relax\detokenize{#2}\relax\else\space(#2)\fi]
|
||
|
|
}
|
||
|
|
{
|
||
|
|
\end{proof} % End proof
|
||
|
|
% Save current claim counter for later restoration
|
||
|
|
\setcounter{__PACKAGE_PREFIX__#1@save@claim}{\value{claim}}
|
||
|
|
}
|
||
|
|
|
||
|
|
% Proof (with asterisk)
|
||
|
|
\NewDocumentEnvironment{proof*}{O{}}
|
||
|
|
{
|
||
|
|
\if\relax\detokenize{#1}\relax\begin{proof}[__IF__(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][__IF__(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}[__IF__(english){}Solution\else{}Lösung\fi{}#1]}{\end{proof}}
|