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doc-src/Tutorial/ToyList/lemma1
author
wenzelm
Thu, 14 Dec 2000 19:36:48 +0100
changeset 10671
ac6b3b671198
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
added Summation;
Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";