--- a/doc-src/IsarRef/Thy/Proof.thy Thu Oct 13 11:45:33 2011 +0200
+++ b/doc-src/IsarRef/Thy/Proof.thy Thu Oct 13 13:49:55 2011 +0200
@@ -655,7 +655,7 @@
\item @{command "by"}~@{text "m\<^sub>1 m\<^sub>2"} is a \emph{terminal
proof}\index{proof!terminal}; it abbreviates @{command
- "proof"}~@{text "m\<^sub>1"}~@{text "qed"}~@{text "m\<^sub>2"}, but with
+ "proof"}~@{text "m\<^sub>1"}~@{command "qed"}~@{text "m\<^sub>2"}, but with
backtracking across both methods. Debugging an unsuccessful
@{command "by"}~@{text "m\<^sub>1 m\<^sub>2"} command can be done by expanding its
definition; in many cases @{command "proof"}~@{text "m\<^sub>1"} (or even