Tue, 21 Aug 2007 20:59:35 +0200 | huffman | remove redundant lemmas | changeset | files |
Tue, 21 Aug 2007 20:53:37 +0200 | huffman | declare conj_absorb [simp] | changeset | files |
Tue, 21 Aug 2007 20:52:18 +0200 | huffman | replace iszero_number_of_Pls with iszero_0 in rel_simps | changeset | files |