doc-src/Tutorial/ToyList/lemma1
author ballarin
Fri, 02 May 2003 20:02:50 +0200
changeset 13949 0ce528cd6f19
parent 5377 efb799c5ed3c
permissions -rw-r--r--
HOL-Algebra complete for release Isabelle2003 (modulo section headers).
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nipkow
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Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";