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-rw-r--r--doc/refman/RefMan-tac.tex4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/refman/RefMan-tac.tex b/doc/refman/RefMan-tac.tex
index 5feafe740b..200919b8cb 100644
--- a/doc/refman/RefMan-tac.tex
+++ b/doc/refman/RefMan-tac.tex
@@ -4030,7 +4030,9 @@ databases are non empty and can be used.
\begin{description}
\item[\tt core] This special database is automatically used by
- \texttt{auto}. It contains only basic lemmas about negation,
+ \texttt{auto}, except when pseudo-database \texttt{nocore} is
+ given to \texttt{auto}. The \texttt{core} database contains
+ only basic lemmas about negation,
conjunction, and so on from. Most of the hints in this database come
from the \texttt{Init} and \texttt{Logic} directories.