Sentence:  In recent books on logic, distinction is made between two orders of inquiry concerning anything. First, what is the nature of it? how did it come about? what is its constitution, origin, and history? And second, What is its importance, meaning, or significance, now that it is once here? The answer to the one question is given in an <WSD>"existential</WSD> judgment" or proposition. The answer to the other is a "proposition of value", what the Germans call a "Werthurtheil" ... 
Meaning of the word marked with <WSD> tags:  Based on experience; empirical.