Thu, 04 Dec 2008 16:28:09 -0800 huffman revert to using eq_number_of_eq for simplification (Groebner_Examples.thy was broken)
Thu, 04 Dec 2008 16:05:45 -0800 huffman remove duplicated lemmas
Thu, 04 Dec 2008 13:30:09 -0800 huffman include iszero_simps in lemmas comp_arith
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip