And under this title, "On the Morning of Christ's Nativity," appears as you can see from your text -- appears the subtitle, "composed 1629."

你们可以看到在《圣诞清晨歌》,的标题下有个副标题“作于1629“

耶鲁公开课 - 弥尔顿课程节选

But since we're especially interested in beings like us, people, this topic, this sub-specialized version of the question of identity, gets discussed under the rubric of the topic, personal identity.

由于我们对我们这种生物十分感兴趣,也就是人类,这个话题,属于同一性话题下的分支问题,通常会放在某话题的标题下讨论,也就是个人同一性

耶鲁公开课 - 死亡课程节选