X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 29 Jun 2007 23:20:21 -0400 Message-ID: X-Original-Return-Path: Received: from asuka.jurai.org ([66.103.244.3] verified) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTPS id 2148360 for lml@lancaironline.net; Fri, 29 Jun 2007 15:27:31 -0400 Received-SPF: none receiver=logan.com; client-ip=66.103.244.3; envelope-from=lorn@dynacomm.ws Received: from [69.209.136.22] (helo=[192.168.0.64]) by asuka.jurai.org with esmtpa (Exim 4.66) (envelope-from ) id 1I4M7J-0001ev-Pg for lml@lancaironline.net; Fri, 29 Jun 2007 15:26:53 -0400 Mime-Version: 1.0 (Apple Message framework v752.3) Content-Transfer-Encoding: 7bit X-Original-Message-Id: <20FF526B-5892-4CC1-B82C-232E17879D65@dynacomm.ws> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed X-Original-To: Lancair List From: Lorn H Olsen Subject: Logic X-Original-Date: Fri, 29 Jun 2007 15:26:50 -0400 X-Mailer: Apple Mail (2.752.3) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - asuka.jurai.org X-AntiAbuse: Original Domain - lancaironline.net X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - dynacomm.ws X-Source: X-Source-Args: X-Source-Dir: Logic has nothing to do with true or false. Logic has to do with valid or invalid arguments. "Correct" is not a term used in logic. non-Euclidean geometry was developed with what you might call an incorrect definition. Scientists and philosophers deal with truth, mathematicians and logicians deal with validity. There is a big difference. > Tom, > > I love logic, and would add: > Logic is the science of correct thinking, by which, when starting > with incorrect definitions or false statements, a perfectly > locigal, correct but false answer will result. > > Terrence O'Neill -- Lorn H. 'Feathers' Olsen, MAA, DynaComm, Corp. 248-345-0500, mailto:lorn@dynacomm.ws LNC2, FB90/92, O-320-D1F, 1,300 hrs, N31161, Y47, SE Michigan non-Euclidean