Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: Ben Finney Newsgroups: comp.lang.python Subject: Re: What exactly is "exact" (was Clean Singleton Docstrings) Date: Tue, 19 Jul 2016 10:21:01 +1000 Lines: 21 Message-ID: References: <7046c74e-e5ea-4dde-8847-8c556756a563@googlegroups.com> <5789B601.9000604@stoneleaf.us> <9d2a0934-bf26-42a8-9bb2-e4e75b2d2ad3@googlegroups.com> <1468652038.1427719.667878897.460955C0@webmail.messagingengine.com> <578a027c$0$1616$c3e8da3$5496439d@news.astraweb.com> <69d8d886-c18a-4c05-8bca-9a05afacd9a9@googlegroups.com> <85r3arsgd0.fsf@benfinney.id.au> <1468848302.3478533.669441217.49D14390@webmail.messagingengine.com> <85mvlesck2.fsf@benfinney.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: news.uni-berlin.de vY915AAARt3yQ5VfNp/uTAfwWKyFjoRs4EAAbRF65Psw== Cancel-Lock: sha1:ulc7IRMyH6luxRLRyojT30ctAec= Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.006 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; ':-)': 0.12; 'measurement': 0.16; 'observations': 0.16; 'received:80.91.229.3': 0.16; 'received:io': 0.16; 'received:plane.gmane.org': 0.16; 'received:psf.io': 0.16; 'subject:Singleton': 0.16; 'wrote:': 0.16; "shouldn't": 0.18; 'stick': 0.18; 'programming': 0.22; 'mon,': 0.24; 'header:User- Agent:1': 0.26; 'header:X-Complaints-To:1': 0.26; 'sense': 0.26; 'obliged': 0.29; 'environment': 0.29; 'though.': 0.33; 'but': 0.36; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'say': 0.37; 'received:org': 0.37; 'to:addr:python.org': 0.40; 'jul': 0.72; 'truth': 0.79; '_o__)': 0.84; 'received:125': 0.84 X-Injected-Via-Gmane: http://gmane.org/ X-Gmane-NNTP-Posting-Host: jigong.madmonks.org X-Public-Key-ID: 0xAC128405 X-Public-Key-Fingerprint: 517C F14B B2F3 98B0 CB35 4855 B8B2 4C06 AC12 8405 X-Public-Key-URL: http://www.benfinney.id.au/contact/bfinney-pubkey.asc X-Post-From: Ben Finney User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <85mvlesck2.fsf@benfinney.id.au> X-Mailman-Original-References: <7046c74e-e5ea-4dde-8847-8c556756a563@googlegroups.com> <5789B601.9000604@stoneleaf.us> <9d2a0934-bf26-42a8-9bb2-e4e75b2d2ad3@googlegroups.com> <1468652038.1427719.667878897.460955C0@webmail.messagingengine.com> <578a027c$0$1616$c3e8da3$5496439d@news.astraweb.com> <69d8d886-c18a-4c05-8bca-9a05afacd9a9@googlegroups.com> <85r3arsgd0.fsf@benfinney.id.au> <1468848302.3478533.669441217.49D14390@webmail.messagingengine.com> Xref: csiph.com comp.lang.python:111618 Random832 writes: > On Mon, Jul 18, 2016, at 00:46, Ben Finney wrote: > > What is “those”? The measurement is imprecise, the observations are > > inexact. > > > > It makes no sense to say that a number is inexact. Exactness is not > > a property of a number. > > There's no reason it shouldn't be a property of an object of a numeric > type available in a programming environment though. Yes. Because the object is not a number, it is a representation of a number :-) -- \ “Truth is stranger than fiction, but it is because fiction is | `\ obliged to stick to possibilities, truth isn't.” —Mark Twain, | _o__) _Following the Equator_ | Ben Finney