2016-01-13 wenzelm 2016-01-13 isabelle update_cartouches -c -t;
2015-12-30 wenzelm 2015-12-30 clarified print modes;
2015-10-13 haftmann 2015-10-13 prod_case as canonical name for product type eliminator
2014-11-02 wenzelm 2014-11-02 modernized header;
2011-08-08 huffman 2011-08-08 rename Pair_fst_snd_eq to prod_eq_iff (keeping old name too)
2011-03-29 wenzelm 2011-03-29 tuned headers;
2011-01-04 huffman 2011-01-04 change some lemma names containing 'UU' to 'bottom'
2010-12-20 huffman 2010-12-20 make internal proofs for deflation and isodefl theorems more robust, by avoiding calls to the simplifier for beta-reduction
2010-11-27 huffman 2010-11-27 moved directory src/HOLCF to src/HOL/HOLCF; added HOLCF theories to src/HOL/IsaMakefile;