What became of the principle "better to save five lives even if it means sacrificing one?"

我们“牺牲一人保全五人“的这条原则,到底出了什么问题呢“

耶鲁公开课 - 公正课程节选

And if they had done a lottery where everyone consented that someone should die and it's sort of like they're all sacrificing themselves to save the rest.

但如果他们每人都同意抽签决定,谁应该牺牲,就像是所有的人都同意牺牲自己来救其他人。

耶鲁公开课 - 公正课程节选