zh-tw Sat, 27 Jun 2026 13:23:21 +0800 5 Mon, 01 Jun 2020 13:45:31 +0800 Thu, 10 May 2018 19:04:38 +0800 Sat, 17 Jan 2015 08:17:33 +0800 Fri, 05 Sep 2014 23:52:16 +0800 Tue, 04 Mar 2014 15:47:46 +0800 0.9, 1>0.99, 1>0.999, ..., but at last it says 1=0.999..., a negation of itself (Proof 0.999... =1: 1/9=0.111..., 1/9x9=1, 0.111...x9=0.999..., so 1=0.999...). So it is totally a paradox, name it as 【1 paradox】. ......]]> Tue, 05 Nov 2013 09:43:01 +0800 Tue, 05 Nov 2013 09:39:39 +0800 Sun, 08 Sep 2013 17:13:27 +0800 Sun, 28 Apr 2013 19:36:15 +0800 Sun, 28 Apr 2013 18:33:41 +0800