Re: [Hol-info] rigorous axiomatic geometry proof in HOL Light

2012-08-02 Thread Ramana Kumar
On Thu, Aug 2, 2012 at 8:03 AM, Bill Richter rich...@math.northwestern.eduwrote: Thanks, Ramana and Rob! As Rob says, I don't use new_axiom to define by type point, but I do use new_axiom to define Hilbert's geometry axioms, so I took no offense. I would definitely prefer to use neither

Re: [Hol-info] rigorous axiomatic geometry proof in HOL Light

2012-08-02 Thread Bill Richter
Thanks, Ramana! I don't quite understand. In each theorem I should make an extra hypothesis which will look something like assume Hilbert_plane H (Between) (===) Line {HP}; And I'll add the label HP to each by list in which I refer to one of my earlier theorems? In your earlier post, I think

Re: [Hol-info] Installing HOL Light... problems on Ubuntu (and workarounds)

2012-08-02 Thread John Nicol
(whoops, fixing the subject) John 1. Error with workaround... apt-get install puts Ocaml in a John nonstandard location.. /usr/lib/ocaml/camlp5. Specifying this John with export CAMLP5LIB fixed the problem. (This was tricky to John find, because there were also libs at

Re: [Hol-info] rigorous axiomatic geometry proof in HOL Light

2012-08-02 Thread Michael Norrish
On 03/08/12 07:48, Bill Richter wrote: Back to my earlier question, my miz3 code begins new_type(point,0);; new_type_abbrev(point_set,`:point-bool`);; new_constant(Line,`:point_set-bool`);; I still don't know what the HOL, or HOL4 meaning of this is, but I have a new conjecture: My new_type