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HOL Light in Proof General.
Written by David Aspinall and Mark Adams.
Status: not officially supported yet
Maintainer: volunteer required
HOL-Light version: SVN trunk (a moving target 8-) - tested on 118)
HOL homepage: https://www.cl.cam.ac.uk/~jrh13/hol-light/
========================================
This is a "technology demonstration" of Proof General for HOL-Light.
We have written this in the hope that somebody from the HOL-Light
community will adopt it, maintain and improve it, and thus turn it
into a proper instantiation of Proof General.
------------
Notes:
There are some problems at the moment. HOL proof scripts often use
batch-oriented single step tactic proofs, but Proof General does not
offer an easy way to edit these kind of proofs. The "Boomburg-HOL"
Emacs interface by Koichi Takahashi and Masima Hagiya addressed this a
long time ago, and to some extent so perhaps does the Emacs interface
supplied with HOL. Perhaps one of these could be
embedded/reimplemented inside Proof General. Implemented in a generic
way, managing batch vs interactive proofs might also be useful for
other provers.
Another problem is that HOL scripts sometimes use OCaml modules, which
will cause confusion because Proof General does not really parse OCaml,
it just looks for semicolons. This could be improved by taking a
better parser (perhaps from the OCaml mode for Emacs).
These improvements would be worthwhile contributions to Proof General
and also provide the HOL community with a nice front end.
Please have a go!
$Id$
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