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-rw-r--r--doc/refman/RefMan-tac.tex7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/refman/RefMan-tac.tex b/doc/refman/RefMan-tac.tex
index 675c2bf174..f29dfa30b4 100644
--- a/doc/refman/RefMan-tac.tex
+++ b/doc/refman/RefMan-tac.tex
@@ -4710,6 +4710,13 @@ congruence.
described above.
\end{ErrMsgs}
+\noindent {\bf Remark: } {\tt congruence} can be made to print debug
+information by setting the following option:
+
+\begin{quote}
+\optindex{Congruence Verbose}
+{\tt Set Congruence Verbose}
+\end{quote}
\section{Checking properties of terms}