From nobody@digitalkingdom.org Tue Feb 19 08:33:21 2008 Received: with ECARTIS (v1.0.0; list lojban-beginners); Tue, 19 Feb 2008 08:33:21 -0800 (PST) Received: from nobody by chain.digitalkingdom.org with local (Exim 4.68) (envelope-from ) id 1JRVPE-0008BU-Nb for lojban-beginners-real@lojban.org; Tue, 19 Feb 2008 08:33:21 -0800 Received: from phma.optus.nu ([166.82.175.165] helo=ixazon.dynip.com) by chain.digitalkingdom.org with esmtp (Exim 4.68) (envelope-from ) id 1JRVP6-0008AL-9R for lojban-beginners@lojban.org; Tue, 19 Feb 2008 08:33:20 -0800 Received: from chausie (unknown [192.168.7.4]) by ixazon.dynip.com (Postfix) with ESMTP id 6987DCE8FA for ; Tue, 19 Feb 2008 11:33:07 -0500 (EST) From: Pierre Abbat To: lojban-beginners@lojban.org Subject: [lojban-beginners] Re: Nth root of unity Date: Tue, 19 Feb 2008 11:33:03 -0500 User-Agent: KMail/1.9.5 References: <200802172028.20159.phma@phma.optus.nu> <37F6EA1F-23DE-45F4-B5D8-A427F8B2C55D@gmail.com> In-Reply-To: <37F6EA1F-23DE-45F4-B5D8-A427F8B2C55D@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200802191133.04080.phma@phma.optus.nu> X-Spam-Score: 0.1 X-Spam-Score-Int: 1 X-Spam-Bar: / X-archive-position: 362 X-ecartis-version: Ecartis v1.0.0 Sender: lojban-beginners-bounce@lojban.org Errors-to: lojban-beginners-bounce@lojban.org X-original-sender: phma@phma.optus.nu Precedence: bulk Reply-to: lojban-beginners@lojban.org X-list: lojban-beginners On Tuesday 19 February 2008 01:25, Yoav Nir wrote: > I don't like that very much. a two-dimensional number should be a > vector, not a complex number. {lujna'u} I like better, because this is > a composite number, just as {lujvo} is a composite word. But a composite number is a product of more than one prime number, not a complex number. 5, as a complex number, is composite, because it's the product of 2+i and 2-i, which are prime. The complex numbers are a two-dimensional vector space over the real numbers. What should we call vectors? phma