extensionality怎么读，extensionality什么意思，extensionality短语和例句

1.It was my first implicit appreciation of the principle of extensionality by which I have set such store down the decades: the universal is no more than the sum of its particulars.

这是我第一次对外延性原则隐隐地表现出欣赏，在此后的几十年间我一直很重视这个原则：共相不过是其殊相的总和。

2.It was my first implicit appreciation of the principle of extensionality by which I have set such store down the decades: the universal is no more than the sum of its particulars.

这是我第一次对外延性原则隐隐地表现出欣赏，在此后的几十年间我一直很重视这个原则：共相不过是其殊相的总和。