src/ZF/AC/HH.thy
1995-12-09 ago removed quotes from consts and syntax sections
1995-07-28 ago Ran expandshort and changed spelling of Grabczewski
1995-07-25 ago Numerous small improvements by KG and LCP
1995-06-22 ago removed \...\ inside strings
1995-05-18 ago Krzysztof Grabczewski's (nearly) complete AC proofs