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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,d14ef72cb8e7209e X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-01-08 05:29:02 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!opentransit.net!fu-berlin.de!uni-berlin.de!dialin-145-254-038-082.arcor-ip.NET!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: incomplete languages (was: Re: Anybody in US using ADA ? One silly idea..) Date: Wed, 08 Jan 2003 14:10:47 +0100 Organization: At home Message-ID: References: Reply-To: mailbox@dmitry-kazakov.de NNTP-Posting-Host: dialin-145-254-038-082.arcor-ip.net (145.254.38.82) Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Trace: fu-berlin.de 1042031416 16500956 145.254.38.82 (16 [77047]) User-Agent: KNode/0.7.1 Xref: archiver1.google.com comp.lang.ada:32741 Date: 2003-01-08T14:10:47+01:00 List-Id: Alexandre E. Kopilovitch wrote: > "Dmitry A. Kazakov" wrote: >>A need in a meta language indicates that the core language is incomplete. >>Then the question is only whether this incompleteness is inherent or not. >>As long as the former is not proved I will claim that we do not need a >>meta language. > > But it is well-known fact (from the first half of 20 century, thanks > Godel), that every language that is rich enough is necessarily incomplete. Incomplete for what? If a language should be complete for everything, then meta language is also no answer, because it in turn will be also incomplete. -- Regards, Dmitry A. Kazakov www.dmitry-kazakov.de