From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00
	autolearn=unavailable autolearn_force=no version=3.4.4
X-Received: by 2002:a24:e48d:: with SMTP id
 o135-v6mr19688032ith.48.1525665027119;
        Sun, 06 May 2018 20:50:27 -0700 (PDT)
X-Received: by 2002:a9d:5c8d:: with SMTP id
 a13-v6mr2513600oti.0.1525665027002;
 Sun, 06 May 2018 20:50:27 -0700 (PDT)
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!feeder.eternal-september.org!news.linkpendium.com!news.linkpendium.com!news.snarked.org!border2.nntp.dca1.giganews.com!nntp.giganews.com!u74-v6no2659504itb.0!news-out.google.com!b185-v6ni4728itb.0!nntp.google.com!v8-v6no3794409itc.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail
Newsgroups: comp.lang.ada
Date: Sun, 6 May 2018 20:50:26 -0700 (PDT)
In-Reply-To: <87a7tc5gyh.fsf@nightsong.com>
Complaints-To: groups-abuse@google.com
Injection-Info: glegroupsg2000goo.googlegroups.com;
 posting-host=47.185.233.194;
 posting-account=zwxLlwoAAAChLBU7oraRzNDnqQYkYbpo
NNTP-Posting-Host: 47.185.233.194
References: <7b6ae5e8-6604-4d36-b606-ead71f667847@googlegroups.com>
 <bf355b31-b3d2-4fe2-826d-f27cb7b59a49@googlegroups.com>
 <87a7tc5gyh.fsf@nightsong.com>
User-Agent: G2/1.0
MIME-Version: 1.0
Message-ID: <5164e095-5d87-405d-93c9-9045dcc2fb01@googlegroups.com>
Subject: Re: Why not Coq2Ada program extraction?
From: "Dan'l Miller" <optikos@verizon.net>
Injection-Date: Mon, 07 May 2018 03:50:27 +0000
Content-Type: text/plain; charset="UTF-8"
Xref: reader02.eternal-september.org comp.lang.ada:52058
Date: 2018-05-06T20:50:26-07:00
List-Id: <comp.lang.ada>

On Sunday, May 6, 2018 at 9:37:27 PM UTC-5, Paul Rubin wrote:
> "Dan'l Miller" writes:
> > As it turns out Coq isn't the only one to have made progress in
> > program-verification-based/proof-based
> > decompilation/reverse-engineering of machine code.  Isabelle/HOL
> 
> The concept of "extraction" doesn't make as much sense with Isabelle
> since it's not a programming language in the way Coq is.

But HOL4 and HOL-omega are.  They are standard ML.

>  You might like:
> 
>  http://concrete-semantics.org

Thank you.  I have downloaded the free PDF of that book at:
http://concrete-semantics.org/concrete-semantics.pdf