120 \newcommand{\setc}[2]{\left\{#1 \;\left| \; #2 \right. \right\}}

   120 \newcommand{\setc}[2]{\left\{#1 \;\left| \; #2 \right. \right\}}

   121 \newcommand{\relations}[2]{\left<#1 \;\left| \; #2 \right. \right>}

   121 \newcommand{\relations}[2]{\left<#1 \;\left| \; #2 \right. \right>}

   122 \newcommand{\cone}[3]{C\left(#1 \xrightarrow{#2} #3\right)}

   122 \newcommand{\cone}[3]{C\left(#1 \xrightarrow{#2} #3\right)}

   123 \newcommand{\pairing}[2]{\left\langle#1 ,#2 \right\rangle}

   123 \newcommand{\pairing}[2]{\left\langle#1 ,#2 \right\rangle}

   124 

   124 

   125 \newcommand{\card}[1]{\sharp{#1}}

   128 \newcommand{\card}[1]{\sharp{#1}}

   126 

   129 

   127 \newcommand{\bdy}{\partial}

   130 \newcommand{\bdy}{\partial}

   128 \newcommand{\compose}{\circ}

   131 \newcommand{\compose}{\circ}

   129 \newcommand{\eset}{\emptyset}

   132 \newcommand{\eset}{\emptyset}