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=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,dbe024bebf3e8f53 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2004-01-26 15:46:13 PST Path: archiver1.google.com!news2.google.com!newsfeed2.dallas1.level3.net!news.level3.com!zeus.visi.com!news-out.visi.com!green.octanews.net!news.octanews.net!cox.net!news-xfer.cox.net!news.lightlink.com!news.mv.net!nntp.TheWorld.com!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada Subject: Re: [OT] Spirit - Software failure Date: 26 Jan 2004 18:46:10 -0500 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <5d6fdb61.0401260215.1e460bdf@posting.google.com> <40152073$0$322$e4fe514c@news.xs4all.nl> NNTP-Posting-Host: pip1-5.std.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: pcls4.std.com 1075160770 9395 192.74.137.185 (26 Jan 2004 23:46:10 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Mon, 26 Jan 2004 23:46:10 +0000 (UTC) User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 Xref: archiver1.google.com comp.lang.ada:4850 Date: 2004-01-26T18:46:10-05:00 List-Id: fdebruin writes: > In addition, with testing you can proof the presence of errors, but you > cannot proof their absence. With X, where X is any method whatsoever you can name, you can prove the presence of errors, but you cannot prove their absence. - Bob