src/ZF/Constructible/Normal.thy
2017-04-09 wenzelm 2017-04-09 clarified main ZF.thy / ZFC.thy, and avoid name clash with global HOL/Main.thy;
2015-12-07 wenzelm 2015-12-07 isabelle update_cartouches -c -t;
2015-10-10 wenzelm 2015-10-10 tuned syntax -- more symbols;
2015-07-23 wenzelm 2015-07-23 isabelle update_cartouches;
2015-03-23 wenzelm 2015-03-23 prefer local fixes;
2014-11-02 wenzelm 2014-11-02 modernized header;
2012-03-16 paulson 2012-03-16 Structured transfinite induction proofs
2012-03-14 paulson 2012-03-14 rationalising the induction rule trans_induct3
2012-03-06 paulson 2012-03-06 More mathematical symbols for ZF examples
2009-10-17 wenzelm 2009-10-17 eliminated hard tabulators, guessing at each author's individual tab-width; tuned headers;
2006-11-17 wenzelm 2006-11-17 more robust syntax for definition/abbreviation/notation;
2006-11-07 wenzelm 2006-11-07 tuned specifications;
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2003-08-28 skalberg 2003-08-28 Extended the notion of letter and digit, such that now one may use greek, gothic, euler, or calligraphic letters as normal letters.
2002-10-09 paulson 2002-10-09 Re-organization of Constructible theories
2002-08-16 paulson 2002-08-16 Relativized right up to L satisfies V=L!
2002-07-29 wenzelm 2002-07-29 eliminate open locales and special ML code;
2002-07-16 wenzelm 2002-07-16 adapted locales;
2002-07-01 paulson 2002-07-01 more use of relativized quantifiers list_closed
2002-06-19 paulson 2002-06-19 new theory of inner models