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2009-12-23(æ°´ã»ç¥)(14:00-20:00) ç¥å¥å·ç(æ ¶å¿å¤§å¦ã»ç¢ä¸ãã£ã³ãã¹ 25-501) ããã¹ãï¼ P. Selinger, "A survey of graphical languages for monoidal categories" 6 Products, coproducts, and biproducts ãã (http://www.mscs.dal.ca/~selinger/paperâ¦