diff -r 596318fdb379 -r 4265615b4206 doc-src/HOL/HOL.tex
--- a/doc-src/HOL/HOL.tex Mon Aug 23 16:51:48 1999 +0200
+++ b/doc-src/HOL/HOL.tex Mon Aug 23 16:58:00 1999 +0200
@@ -1855,21 +1855,24 @@
terms, make function definitions) are part of the standard simpset (via
\texttt{addsimps}).
+\item Selectors applied to updated records are automatically reduced by
+ simplification procedure \ttindex{record_simproc}, which is part of the
+ default simpset.
+
\item Inject equations of a form analogous to $((x, y) = (x', y')) \equiv x=x'
\conj y=y'$ are made part of the standard simpset and claset (via
\texttt{addIffs}).
-\item A tactic for record field splitting (\ttindex{record_split_tac}) is made
- part of the standard claset (via \texttt{addSWrapper}). This tactic is
- based on rules analogous to $(\All x PROP~P~x) \equiv (\All{a~b} PROP~P(a,
- b))$ for any field.
+\item A tactic for record field splitting (\ttindex{record_split_tac}) may be
+ made part of the claset (via \texttt{addSWrapper}). This tactic is based on
+ rules analogous to $(\All x PROP~P~x) \equiv (\All{a~b} PROP~P(a, b))$ for
+ any field.
\end{enumerate}
The first two kinds of rules are stored within the theory as $t\dtt simps$ and
$t\dtt iffs$, respectively. In some situations it might be appropriate to
-expand the definitions of updates: $t\dtt updates$. Following a new trend in
-Isabelle system architecture, these names are \emph{not} bound at the {\ML}
-level, though.
+expand the definitions of updates: $t\dtt update_defs$. Note that these names
+are \emph{not} bound at the {\ML} level.
\medskip
@@ -1878,7 +1881,8 @@
expand quantified record variables and then simplify by the conversion rules.
By using a combination of the simplifier and classical prover together with
the default simpset and claset, record problems should be solved with a single
-stroke of \texttt{Auto_tac} or \texttt{Force_tac}.
+stroke of \texttt{Auto_tac} or \texttt{Force_tac}. Most of the time, plain
+\texttt{Simp_tac} should be sufficient, though.
\section{Datatype definitions}