From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: no empty (zero) string predicate in Elisp Date: Sun, 26 Apr 2015 21:06:28 +0200 Organization: Aioe.org NNTP Server Message-ID: <87tww2zp3f.fsf@debian.uxu> References: <87h9s4rhx5.fsf@debian.uxu> <87wq0zkqxa.fsf@debian.uxu> <87oambhqze.fsf@kuiper.lan.informatimago.com> <87a8xu20ys.fsf@debian.uxu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1430075198 2979 80.91.229.3 (26 Apr 2015 19:06:38 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 26 Apr 2015 19:06:38 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Sun Apr 26 21:06:38 2015 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YmRsy-0006S8-Dz for geh-help-gnu-emacs@m.gmane.org; Sun, 26 Apr 2015 21:06:36 +0200 Original-Received: from localhost ([::1]:51803 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YmRsx-0000AS-O8 for geh-help-gnu-emacs@m.gmane.org; Sun, 26 Apr 2015 15:06:35 -0400 Original-Path: usenet.stanford.edu!news.kjsl.com!feeder.erje.net!1.eu.feeder.erje.net!news.etla.org!aioe.org!.POSTED!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 17 Original-NNTP-Posting-Host: feB02bRejf23rfBm51Mt7Q.user.speranza.aioe.org Original-X-Complaints-To: abuse@aioe.org User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) X-Notice: Filtered by postfilter v. 0.8.2 Cancel-Lock: sha1:7Ogx4oA+BS+qPiGHcoRSfvkVOPY= Mail-Copies-To: never Original-Xref: usenet.stanford.edu gnu.emacs.help:211729 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 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.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:104011 Archived-At: Marcin Borkowski writes: >> "Predicate" is a word from the grammars of human >> languages, but I don't know its exact meaning, >> neither there or in programming languages (until >> now as for programming). > > AFAIK, "predicate" is a word from /logic/, and it > means (more or less) a function which consumes one > or more arguments of any type and gives back > a truth-value. Doesn't all functions in logic do that? -- underground experts united http://user.it.uu.se/~embe8573