Mon, 01 Mar 1999 18:37:23 +0100 paulson simpler proofs of congruence rules
Mon, 01 Mar 1999 18:11:54 +0100 paulson new results e.g. about Pow; new simprules Union_image_eq, Inter_image_eq
Mon, 01 Mar 1999 15:57:29 +0100 paulson simpler proofs of congruence rules
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