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doc-src/Tutorial/ToyList/lemma1
author
paulson
Wed, 13 Sep 2000 18:47:30 +0200
changeset 9945
a0efbd7c88dc
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
more integer theorems, better simplification
Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";