author | nipkow |
Sun, 06 Aug 2000 15:26:53 +0200 | |
changeset 9541 | d17c0b34d5c8 |
parent 9458 | c613cd06d5cf |
child 9673 | 1b2d4f995b13 |
permissions | -rw-r--r-- |
\begin{isabelle}% \isacommand{lemma}\ {"}(let\ xs\ =\ []\ in\ xs@ys@xs)\ =\ ys{"}\isanewline \isacommand{by}(simp\ add:\ Let\_def)% \begin{isamarkuptext}% If, in a particular context, there is no danger of a combinatorial explosion of nested \isa{let}s one could even add \isa{Let_def} permanently:% \end{isamarkuptext}% \isacommand{lemmas}\ [simp]\ =\ Let\_def\end{isabelle}% %%% Local Variables: %%% mode: latex %%% TeX-master: "root" %%% End: