[Hol-info] RV 2010 - 1st Int. Conference: Call for Papers and Tutorials

2010-01-21 Thread RV 2010
CALL FOR PAPERS AND TUTORIALS International Conference on Runtime Verification (RV 2010) November 1 - 4, 2010 Sliema, Malta http://www.rv2010.org/ Runtime verification (RV) is concerned with monit

Re: [Hol-info] well-ordering theorem

2010-01-21 Thread Roger Bishop Jones
On Wednesday 20 January 2010 16:02:10 Roger Bishop Jones wrote: > On Tuesday 19 January 2010 18:07:32 Lockwood Morris wrote: > > The only relevant information I have come across is Stewart Shapiro's > > statement, in Foundations without Foundationalism, that in set theory > > done with second-orde

Re: [Hol-info] well-ordering theorem

2010-01-21 Thread John Harrison
I once did a proof of the well-ordering principle and several other Axiom of Choice equivalents (Zorn's Lemma etc.) in HOL88: http://www.cl.cam.ac.uk/~jrh13/papers/wellorder-library.html This proof certainly survives in HOL Light (Examples/wo.ml), and possibly in other versions of HOL too. F