徐學庸2018-09-102018-09-1020001015-8383http://www.airitilibrary.com/Publication/Index/10158383-200007-27-7-661-665-ahttp://scholars.lib.ntu.edu.tw/handle/123456789/289082萊布尼茲的「個別實體」journal article10.7065/MRPC.200007.0661