--- a/doc-src/TutorialI/Misc/natsum.thy Fri Jul 13 17:56:05 2001 +0200
+++ b/doc-src/TutorialI/Misc/natsum.thy Fri Jul 13 17:58:39 2001 +0200
@@ -36,7 +36,7 @@
see~\S\ref{sec:numerals}.
\begin{warn}
- The constant \ttindexbold{0} and the operations
+ The constant \cdx{0} and the operations
\ttindexboldpos{+}{$HOL2arithfun}, \ttindexboldpos{-}{$HOL2arithfun},
\ttindexboldpos{\mystar}{$HOL2arithfun}, \isaindexbold{min},
\isaindexbold{max}, \indexboldpos{\isasymle}{$HOL2arithrel} and
@@ -70,7 +70,7 @@
is proved automatically. The main restriction is that only addition is taken
into account; other arithmetic operations and quantified formulae are ignored.
-For more complex goals, there is the special method \isaindexbold{arith}
+For more complex goals, there is the special method \methdx{arith}
(which attacks the first subgoal). It proves arithmetic goals involving the
usual logical connectives (@{text"\<not>"}, @{text"\<and>"}, @{text"\<or>"},
@{text"\<longrightarrow>"}), the relations @{text"="}, @{text"\<le>"} and @{text"<"},