However, a close examination shows that the definition of || ∈ || only depends on || ∈ || for elements of smaller rank, so || ∈ || and || = || are well defined functions from VB×VB to B. It can be shown that the B-valued relations || ∈ || and || = || on VB make VB into a Boolean-valued model of set theory.
当给定的文件多于一个, 且它们的 MIME 类型并不完全相同时, 不印出警告 。LASER-wikipedia2 LASER-wikipedia2