extensionality / (ɪkˌstɛnʃəˈnælɪtɪ) /

延伸性延展性扩展性外延性

extensionality 的定义

n. 名词 noun
  1. logic the principle that sets are definable in terms of their elements alone, whatever way they may have been selected. Thus {a, b}={b, a}={first two letters of the alphabet}