doc-src/Tutorial/ToyList/lemma1
author nipkow
Fri, 25 Jul 2003 17:21:22 +0200
changeset 14134 0fdf5708c7a8
parent 5377 efb799c5ed3c
permissions -rw-r--r--
Replaced \<leadsto> by \<rightharpoonup>
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nipkow
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diff changeset
     1
Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";