Sat, 16 Oct 2010 14:41:11 -0700 huffman add functions mk_imp, mk_all
Fri, 15 Oct 2010 08:52:53 -0700 huffman move emptiness check to comp_theorems; remove eqs parameter to prove_induction; remove dead code
Fri, 15 Oct 2010 08:07:20 -0700 huffman simplify automation of induct proof
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