This looks really nice. Well done.

On Thu, Jul 25, 2013 at 5:01 PM, Vincent Aravantinos <
[email protected]> wrote:

> Hi list,
>
> I recently gave a tutorial about HOL internals here in Concordia and I
> though it might be useful to share with the community, in case anyone is
> interested.
>
> Objective of the tutorial: provide a deeper idea of how HOL works.
> Intended audience: people having some experience of HOL as users and
> wanting to know more about how HOL works "from inside", but who do not
> necessarilly have much background in logic nor functionnal programming.
>
> To do so we develop a simplistic theorem prover for *propositional* logic:
> it is of course useless to do actual mathematics but enables to understand
> the fact that terms are Ocaml/SML values, how we use abstract datatypes to
> represent theorems and how the tactic system works.
>
> The prover is called "ZOL" for Zero-Order Logic. The sources are less than
> 200 lines and are available both in Ocaml and SML.
>
> Slides: http://users.encs.concordia.ca/~vincent/Teaching_files/zol.pdf
> Ocaml source:
> http://users.encs.concordia.ca/~vincent/Teaching_files/zol.ml
> SML source: http://users.encs.concordia.ca/~vincent/Teaching_files/zol.sml
> Main page: http://users.encs.concordia.ca/~vincent/Teaching.html
>
> Regards,
> V.
> --
> Vincent ARAVANTINOS - PostDoctoral Fellow - Concordia University, Hardware
> Verification Group
> http://users.encs.concordia.ca/~vincent/
>
>
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