Re: [Hol-info] well-ordering theorem

2010-01-20 Thread Roger Bishop Jones
Further to my last message on this topic, I did discover the place in Shapiro where he talks about this (5.1.3 p107). 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 Foundation

Re: [Hol-info] well-ordering theorem

2010-01-20 Thread Roger Bishop Jones
On Tuesday 19 January 2010 18:7:32 Lockwood Morris wrote: > Does anyone know if it is possible to prove the well-ordering theorem in > HOL for an arbitrary type? That is, using the terminology of > relationTheory, > > ?R:'a->'a->bool. WF R /\ StrongLinearOrder R . There is a proof in Proof