Return-Path: <@segate.sunet.se:LOJBAN%CUVMB.BITNET@BITMAIL.LSOFT.COM> Received: from segate.sunet.se by xiron.pc.helsinki.fi with smtp (Linux Smail3.1.28.1 #1) id m0syNwu-0000ZSC; Thu, 28 Sep 95 20:44 EET Message-Id: Received: from listmail.sunet.se by segate.sunet.se (LSMTP for OpenVMS v0.1a) with SMTP id 54F13E62 ; Thu, 28 Sep 1995 19:44:47 +0200 Date: Thu, 28 Sep 1995 10:57:17 -0600 Reply-To: Chris Bogart Sender: Lojban list From: Chris Bogart Subject: Re: Rotation X-To: lojban@cuvmb.bitnet To: Veijo Vilva Content-Length: 660 Lines: 13 >> carberti = x1 is the rotational North end (right hand rule) of object/axis x2 > >> Maybe the head of the screw could be considered the obvious "pole" of >> reference, so we could just say "ko carbergau fi le klupe" or "ko carnanygau >> fi le klupe". > >How can one identify the north end of a symmetrical object? The head of a >slot screw is the same is rotated by 180 degrees - the north and south ends >cannot be discerned. Good point. I guess in that case you'd have to either describe which end you meant in terms of surrounding objects, cardinal directions, etc. or just say/assume "the end nearest you" or "the easiest end to get to" or something.