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,b49755ab898bcffd
X-Google-Attributes: gida07f3367d7,public,usenet
X-Google-NewGroupId: yes
X-Google-Language: ENGLISH,ASCII
Path: 
 g2news2.google.com!news4.google.com!proxad.net!feeder1-2.proxad.net!usenet-fr.net!gegeweb.org!aioe.org!not-for-mail
From: =?iso-8859-15?Q?Yannick_Duch=EAne_=28Hibou57=29?=
 <yannick_duchene@yahoo.fr>
Newsgroups: comp.lang.ada
Subject: Re: SPARK again : for-loop vs single loop - a strange case
Date: Sat, 29 May 2010 00:46:21 +0200
Organization: Ada At Home
Message-ID: <op.vdftjjyfxmjfy8@garhos>
References: <op.vddp3fvvxmjfy8@garhos>
 <2b6ae662-77e2-4d1a-a2b2-3df54f8ab98e@v37g2000vbv.googlegroups.com>
 <op.vderaoe5ule2fv@garhos>
 <eb1871bc-62d0-411c-b96e-97f8c8e148f6@f14g2000vbn.googlegroups.com>
 <22bd64db-4c71-4856-a60f-f9b2411ab23b@v18g2000vbc.googlegroups.com>
NNTP-Posting-Host: MBnfDkYuJKoIyXbkYutszA.user.speranza.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes
Content-Transfer-Encoding: Quoted-Printable
X-Complaints-To: abuse@aioe.org
X-Notice: Filtered by postfilter v. 0.8.2
User-Agent: Opera Mail/10.53 (Win32)
Xref: g2news2.google.com comp.lang.ada:12137
Date: 2010-05-29T00:46:21+02:00
List-Id: <comp.lang.ada>

Le Fri, 28 May 2010 17:13:57 +0200, Phil Thornley  =

<phil.jpthornley@googlemail.com> a =E9crit:
> As I understand the documentation the default assertion should include=

> hypotheses that I is in-type, but when simplified there are two
> conclusions left for the A(I) :=3D 0; assignment:
> C1:    i >=3D 1 .
> C2:    i <=3D 10 .
That's it.

> So either my understanding of how the Examiner generates hypotheses is=

> wrong or the Examiner is wrong.
I would say the examiner is wrong, as 4.2 states it should really do as =
 =

yourself expected.

-- =

There is even better than a pragma Assert: a SPARK --# check.
--# check C and WhoKnowWhat and YouKnowWho;
--# assert Ada;
--  i.e. forget about previous premises which leads to conclusion
--  and start with new conclusion as premise.