Sentence:  Thus , if what is at issue is whether `` All S is P '' , it is indifferent whether `` <WSD>Some</WSD> S is not P '' or `` No 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 to indicate an unspecified number or quantity