Sentence:  Thus , if what is at issue is whether `` All S is P '' , it is indifferent whether `` Some S is not P '' or `` <WSD>No</WSD> S is P '' , since in either case the judgment in question is false . 
Meaning of the word marked with <WSD> tags:  quantifier; used with either mass nouns or plural count nouns for indicating a complete or almost complete lack or zero quantity of