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ãã3æ¥ããããã¾ãããã 2007-12-9(æ¥)(13:00-17:00) âè¨æ£ãã¾ããã®ã§æ³¨æã æ±äº¬é½ (ã³ããã£ã¨ ãã¬ã¼ãã³ã°ã«ã¼ã )"Categories, Types and Structures" Section 2.3.6 ã® Proposition ãã交éã¢ã¯ã»ã¹: http://begi.net/modules/xfsection/article.â¦