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doc-src/Tutorial/ToyList/lemma1
author
wenzelm
Thu, 01 Feb 2001 21:28:23 +0100
changeset 11028
8cf44cbe22e8
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
moved to Product_Type_lemmas.ML
Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";