From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?ISO-8859-1?Q?Nordl=F6w?= Newsgroups: gmane.emacs.help Subject: Checking if all values of a list are true Date: Fri, 11 Jul 2008 04:23:39 -0700 (PDT) Organization: http://groups.google.com Message-ID: NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1215776461 5605 80.91.229.12 (11 Jul 2008 11:41:01 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 11 Jul 2008 11:41:01 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Fri Jul 11 13:41:49 2008 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1KHH0I-0002nJ-U1 for geh-help-gnu-emacs@m.gmane.org; Fri, 11 Jul 2008 13:41:35 +0200 Original-Received: from localhost ([127.0.0.1]:35263 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KHGzQ-0007uz-ER for geh-help-gnu-emacs@m.gmane.org; Fri, 11 Jul 2008 07:40:40 -0400 Original-Path: news.stanford.edu!newsfeed.stanford.edu!postnews.google.com!m45g2000hsb.googlegroups.com!not-for-mail Original-Newsgroups: gnu.emacs.help Original-Lines: 14 Original-NNTP-Posting-Host: 81.170.250.228 Original-X-Trace: posting.google.com 1215775419 27543 127.0.0.1 (11 Jul 2008 11:23:39 GMT) Original-X-Complaints-To: groups-abuse@google.com Original-NNTP-Posting-Date: Fri, 11 Jul 2008 11:23:39 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: m45g2000hsb.googlegroups.com; posting-host=81.170.250.228; posting-account=ytJKAgoAAAA1tg4ScoRszebXiIldA5vg User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux i686; sv-SE; rv:1.9) Gecko/2008061015 Firefox/3.0,gzip(gfe),gzip(gfe) Original-Xref: news.stanford.edu gnu.emacs.help:160081 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:55426 Archived-At: How do I check if all values of a list are true? This is my attempt: (reduce 'and '(t t)) but I get the error: and (invalid-function and) (functionp 'and) gives true so why on earth doesn't this work? Thanks in advance, Nordl=F6w