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doc-src/Tutorial/ToyList/lemma1
author
paulson
Fri, 18 Sep 1998 16:05:08 +0200
changeset 5510
ad120f7c52ad
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
improved (but still flawed) treatment of binary arithmetic
Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";