Konrad Slind wrote:

>   That work was done in the late 1980s. It may be that
> Brian Graham still has the proof scripts available. However,
> it would probably be very difficult to build a version of HOL
> that would run the scripts as-is.

Mike Gordon connected me off-list to Brian Graham and it turned out
that the whole formalisation is part of the hol88-contrib-source
Ubuntu package. I have not tried yet but in theory it works as the
original HOL prover was ported to GNU Common Lisp by Camm Maguire:

https://launchpad.net/ubuntu/+source/hol88

> An interesting project would
> be to re-do the theories using up-to-date technology.

This is my aim as a starting point, not necessarily the whole but the
crucial part of it.

- Gergely

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