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,FREEMAIL_FROM
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Thread: a07f3367d7,ec6f74e58e86b38b
X-Google-Attributes: gida07f3367d7,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news2.google.com!postnews.google.com!31g2000prc.googlegroups.com!not-for-mail
From: Phil Thornley <phil.jpthornley@googlemail.com>
Newsgroups: comp.lang.ada
Subject: Re: Lost in translation (with SPARK user rules)
Date: Sun, 30 May 2010 02:30:29 -0700 (PDT)
Organization: http://groups.google.com
Message-ID: <ad143fc0-6662-4190-8fae-f49d6aedaa62@31g2000prc.googlegroups.com>
References: <op.vda45rsfule2fv@garhos> <op.vdhoz5gcule2fv@garhos>
	<op.vdiaubvrule2fv@garhos>
NNTP-Posting-Host: 80.177.171.182
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-Trace: posting.google.com 1275211829 12546 127.0.0.1 (30 May 2010 09:30:29
 GMT)
X-Complaints-To: groups-abuse@google.com
NNTP-Posting-Date: Sun, 30 May 2010 09:30:29 +0000 (UTC)
Complaints-To: groups-abuse@google.com
Injection-Info: 31g2000prc.googlegroups.com; posting-host=80.177.171.182;
	posting-account=Fz1-yAoAAACc1SDCr-Py2qBj8xQ-qC2q
User-Agent: G2/1.0
X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64;
	Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR
	3.0.30729; Media Center PC 6.0),gzip(gfe)
Xref: g2news2.google.com comp.lang.ada:12159
Date: 2010-05-30T02:30:29-07:00
List-Id: <comp.lang.ada>

On 30 May, 07:55, Yannick Duch=EAne (Hibou57) <yannick_duch...@yahoo.fr>
wrote:
[...]
> I still would like to know about the details : why when X is replaced by =
=A0
> the literal 2, it does not match the same way ?

I would guess that the Simplifier manages to match 2**Y to 256 (by
instantiating Y with 8), but not X**Y.

Cheers,

Phil