src/ZF/IntDiv_ZF.thy
2012-03-17 ago tidying and structured proofs
2012-03-06 ago Using mathematical notation for <-> and cardinal arithmetic
2012-03-06 ago mathematical symbols instead of ASCII
2011-11-20 ago eliminated obsolete "standard";
2009-10-17 ago eliminated hard tabulators, guessing at each author's individual tab-width;
2009-07-23 ago renamed simpset_of to global_simpset_of, and local_simpset_of to simpset_of -- same for claset and clasimpset;
2008-02-11 ago Made theory names in ZF disjoint from HOL theory names to allow loading both developments