doc-src/Tutorial/ToyList/lemma1
author paulson
Fri, 13 Jul 2001 18:19:29 +0200
changeset 11421 364088045fa9
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tweaks
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nipkow
parents:
diff changeset
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Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";