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: Jeff Kotula Subject: Re: Critique of Ariane 5 paper (finally!) Date: 1997/08/29 Message-ID: <3406BD95.1E347F0@stratasys.com>#1/1 X-Deja-AN: 268910031 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> <3406B759.19@flash.net> X-Priority: 3 (Normal) Organization: [poster's organization not specified] Newsgroups: comp.lang.ada,comp.lang.eiffel Date: 1997-08-29T00:00:00+00:00 List-Id: Ken Garlington wrote: > Jeff Kotula wrote: > > > > Robert Dewar wrote: > > > > > < > > reliability is > > > that the former can be defined crisply while the latter cannot.>> > > > > > > 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. > [snip] > More to the point, it is critically important not to confuse these > attributes, since they (as Dr. Dewar has noted) are not synonyms. I never said they were the same thing (see my orginal post included in above. I only said that one could be quantified more easily than the other.