History

Time	Change
2016-06-09 15:56:05+00:00	Created
2016-06-09 15:56:05+00:00	Associated with 距離の公理
2016-06-09 15:56:05+00:00	Associated with 距離
2016-06-09 15:56:05+00:00	Associated with distance
2017-06-26 02:12:59+00:00	Associated with 距離 (一般)