%sw20obk4 {Book: TCI book style #4}{12pt}{tcibook}
%Copyright (C) 1994-95 TCI Software Research
\typeout{TCI Document Style `sw20obk4' <1 July 1994>.}
\typeout{NOTICE:  This macro file is NOT proprietary and may be 
freely copied and distributed.}
%
\input thmsupp.tex %TCI theorem option support
%
\trimwidth     8.5in 
 
%\textwidth     400pt
\addtolength{\textwidth}{10pt}

\marginparsep   12pt  \marginparwidth68pt
\evensidemargin 36pt
\columnsep      28pt  \columnseprule 0pt 
\trimheight     11in 
 
%\topmargin      72pt
\addtolength{\topmargin}{52pt}

\headheight      0pt  \headsep         0pt
\footskip       30pt  \botmargin      42pt
\@mparswitchfalse     \@reversemargintrue

%\centerpagemargin
\addtolength{\oddsidemargin}{130pt}
\evensidemargin\oddsidemargin

\onecolumn
%\settextheight
\addtolength{\textheight}{102pt}

\c@secnumdepth\tw@

\ps@footings
\def\ps@chapter{}%
\let\rulefooting\norulefooting
\def\headcase{\uppercase}%
\def\rectomark{\rightmark}%
\def\versomark{\leftmark}%

\def\@makechapterhead#1{%
 {\raggedright\leftskip-\marginpartotal
  \Huge\sf
  \ifnum \c@secnumdepth >\m@ne\thechapter. \fi
  \uppercase{#1}\par 
  \vskip4pt\nointerlineskip
  \hbox to\textwidth{%
   \hskip-\marginpartotal\leaders\hrule height4pt\hfil
   }%
  }%
 \nobreak \vskip 40pt
 }%
\let\introtext\@empty

\def\section{%
 \@startsection {section}{1}{\sectionbackskip}{-30pt plus -1.2ex minus -.2ex}%
  {28pt}{\LARGE\sf\makeparrule}%
 }%
\sectionbackskip-\marginpartotal
\sectionruledimen2pt

\def\subsection{%
 \@startsection{subsection}{2}{\z@}{-36pt plus -1ex minus -.2ex}%
  {20pt plus .2ex}{\sf}%
 }%

\def\thefigure{\thechapter-\@arabic\c@figure}