doc-src/Tutorial/ToyList/lemma1
author wenzelm
Sat, 04 Sep 1999 20:57:32 +0200
changeset 7466 7df66ce6508a
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated;
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nipkow
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Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";