From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Marcin Borkowski Newsgroups: gmane.emacs.help Subject: Re: Quote by Knuth Date: Sat, 17 Jul 2021 20:43:13 +0200 Message-ID: <87eebweq7y.fsf@mbork.pl> References: <87o8bgg6br.fsf@zoho.eu> <20210705154121.GB6395@tuxteam.de> <878s2j2onn.fsf@zoho.eu> <87r1gbdr6d.fsf@zoho.eu> <87o8b4eiyr.fsf@mbork.pl> <87y2a8ecck.fsf@zoho.eu> <87k0lsdsaw.fsf@mbork.pl> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7146"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: mu4e 1.1.0; emacs 28.0.50 Cc: help-gnu-emacs@gnu.org, Emanuel Berg To: Christopher Dimech Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sat Jul 17 20:43:57 2021 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1m4pI3-0001ct-Km for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 17 Jul 2021 20:43:55 +0200 Original-Received: from localhost ([::1]:42782 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m4pI1-0002J2-QO for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 17 Jul 2021 14:43:53 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33692) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m4pHh-0002Ga-2s for help-gnu-emacs@gnu.org; Sat, 17 Jul 2021 14:43:33 -0400 Original-Received: from mail.mojserwer.eu ([195.110.48.8]:34766) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m4pHc-0000hS-SW for help-gnu-emacs@gnu.org; Sat, 17 Jul 2021 14:43:32 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by mail.mojserwer.eu (Postfix) with ESMTP id 22B64E69DC; Sat, 17 Jul 2021 20:43:20 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mail.mojserwer.eu Original-Received: from mail.mojserwer.eu ([127.0.0.1]) by localhost (mail.mojserwer.eu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zLx5rlTOf3Db; Sat, 17 Jul 2021 20:43:15 +0200 (CEST) Original-Received: from localhost (178235147117.dynamic-3-poz-k-0-1-0.vectranet.pl [178.235.147.117]) by mail.mojserwer.eu (Postfix) with ESMTPSA id 8CDF1E61F6; Sat, 17 Jul 2021 20:43:14 +0200 (CEST) In-reply-to: Received-SPF: pass client-ip=195.110.48.8; envelope-from=mbork@mbork.pl; helo=mail.mojserwer.eu X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "help-gnu-emacs" Xref: news.gmane.io gmane.emacs.help:131800 Archived-At: On 2021-07-15, at 08:21, Christopher Dimech wrote: >> Sent: Thursday, July 15, 2021 at 6:06 PM >> From: "Marcin Borkowski" >> To: "Emanuel Berg" >> Cc: help-gnu-emacs@gnu.org >> Subject: Re: Quote by Knuth >> >> >> On 2021-07-15, at 00:53, Emanuel Berg via Users list for the GNU Emacs text editor wrote: >> >> > But without the symbolic notation it isn't really math, is it, >> > because the natural language, no matter how careful one is, >> > can still be misinterpreted, interpreted in several ways, it >> > can be translated, made fun of ... >> >> Interesting, but false. What Greeks did was most certainly mathematics >> even if they had little to none symbolism. > > We don't do greek mathematics anymore. It was mainly geometric, which became > an ingrained technique that stall development until Liebniz introduced some useful > notation. Magneto-Hydro-Dynamics needs compact notation. Inverse Estimation > is another example. Well, don't we do the very same mathematics as ancient Greeks did, only expressing it in a different language? (And of course, we now know more, since our knowledge grows. OTOH, many things in contemporary mathematics are not very trustworthy due to the complexity and high probability of errors.) Best, -- Marcin Borkowski http://mbork.pl