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doc-src/AxClass/Nat/ROOT.ML
author
huffman
Thu, 08 Jan 2009 09:12:29 -0800
changeset 29405
98ab21b14f09
parent 8890
9a44d8d98731
permissions
-rw-r--r--
add class ring_div; generalize mod/diff/minus proofs for class ring_div
use_thy "NatClass";