Thanks, John!  Sorry I don't have my bug reports yet.  I'm using
Scientific Linux, not Debian, so I can't use Hendrik's package. 

   While I'm very interested in the idea of formalizing geometry
   axiomatically, and I'm happy people are doing it in HOL Light,

What I'm trying to do is much simpler than what Phil etc are doing.
It should be trivial in HOL Light.  It shouldn't require the full
strength of Freek's ambitious miz3.  I just want 2-column high school
Geometry proofs.  I'll use Hilbert's or Tarski's axioms, which
actually give rigorous proofs, but it's still 2-column proofs.  Phil
is trying to get HOL Light to fix profs from Hilbert's arcane book,
that takes a real theorem prover.  BTW what do you call HOL Light?  Is
it a proof assistant, or a theorem prover, or a proof checker?

-- 
Best,
Bill 

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