Lambda functions remove all the need for the scaffolding code , and allow a predicate function to be defined in-line in another statement .
lambda函数移除了对这些搭架子代码的需求，并允许在另外的一个声明中定义一个谓词函数。
Methods that return values of type boolean are called predicate methods and play an important role in modern programming .
返回boolean类型的方法称为断言方法并且在现代编程中扮演着重要的角色。
The abstract terms of the judgment , ' the individual is the universal ' , present the subject ( as negatively self relating ) as what is immediately concrete , while the predicate is what is abstract , indeterminate , in short , the universal .
But , of course , the rose , being something concrete , is not merely red ; on the contrary , it also has a scent , a definite form , and all manner of other features , which are not contained within the predicate " red " .
