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doc-src/AxClass/Group/ROOT.ML
author huffman
Thu, 08 Jan 2009 10:43:09 -0800
changeset 29409 f0a8fe83bc07
parent 8906 fc7841f31388
permissions -rw-r--r--
add lemma dvd_diff to class comm_ring_1


use_thy "Semigroups";
use_thy "Group";
use_thy "Product";
isabelle