This is LaTeX code:

[latex]
$ 
\halign{
\strut\hfill#\hfill&\hfill#\hfill&\hfill#\hfill&#\vrule&\hfill#\hfill\cr
$0$&$-1$&$1$&&$\int_\gamma f$\cr
\qquad&\qquad&\qquad&&\qquad\cr
\noalign{\vskip-12pt\hrule}
$\bot$&$\bot$&$\bot$&&$0$\cr
$\bot$&$\bot$&$\top$&&${1\over 2}$\cr
$\bot$&$\top$&$\bot$&&${1\over 2}$\cr
$\bot$&$\top$&$\top$&&$1$\cr
$\top$&$\bot$&$\bot$&&$-1$\cr
$\top$&$\bot$&$\top$&&$-{1\over 2}$\cr
$\top$&$\top$&$\bot$&&$-{1\over 2}$\cr
$\top$&$\top$&$\top$&&$0$\cr
}$
[/latex]