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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fac41,f66d11aeda114c52 X-Google-Attributes: gidfac41,public X-Google-Thread: 103376,f66d11aeda114c52 X-Google-Attributes: gid103376,public From: jsa@alexandria.organon.com (Jon S Anthony) Subject: Re: Critique of Ariane 5 paper (finally!) Date: 1997/08/25 Message-ID: #1/1 X-Deja-AN: 268478311 References: <33E503B3.3278@flash.net> <33E8FC54.41C67EA6@eiffel.com> <33E9B217.39DA@flash.net> <33EA5592.5855@flash.net> <33EB4935.167EB0E7@eiffel.com> <33EB754E.446B9B3D@eiffel.com> <33EBE46D.2149@flash.net> <33EF9487.41C67EA6@eiffel.com> <33F22B91.167EB0E7@eiffel.com> <33F7C3C0.446B9B3D@eiffel.com> <33FA748A.35FE@flash.net> <33FBD62C.3DD3@invest.amp.com.au> <33FD8685.AAAE3B4F@stratasys.com> <3401811D.1700E7BE@stratasys.com> Organization: PSINet Newsgroups: comp.lang.ada,comp.lang.eiffel Date: 1997-08-25T00:00:00+00:00 List-Id: In article <3401811D.1700E7BE@stratasys.com> Jeff Kotula writes: > Robert Dewar wrote: > > > No, I disagree, these are completely different qualities, they are > > related, > > but as I said earlier, you can have reliable programs that are not > > correct, and correct > > programs that are not realiable. > > This is a nonsensical statement. In the first case, you will have a > program > that reliably does the *wrong* thing, and in the second case, you > will have a program that doesn't do the right thing all the time. > Neither of these cases is of any interest to the goal of creating > high quality functioning software. Wow. This is amazingly naive. You don't actually believe that in anything but trivial cases you can prove correctness, do you????? /Jon -- Jon Anthony OMI, Belmont, MA 02178, 617.484.3383 "Nightmares - Ha! The way my life's been going lately, Who'd notice?" -- Londo Mollari