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2009-04-19 10:39:18
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bci1
\section{Thin equivalence relation}
\begin{definition} |
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2008-10-18 11:27:08
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Version 6 --> Version 7
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by
bci1
\begin{definition}
\textbf{Thin equivalence relation.}
Let $ a,a' : x \simeq y $ be paths in $ X $. Then
$ a$ is \emph{thinly equivalent} to $ a' $, denoted $ a \sim_{T} a' $, if
there is a thin relative homotopy between $ a $ and $ a' $.
\end{definition} |
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