  First, assume that category mistakes are truth-valueless (either because they are meaningless, or because they are meaningful but truth-valueless).  This poses a problem for the pluralist’s argument because if (43) is a truth-valueless category mistake, the  argument is unsound (one of its premises isn’t  true).[34]  The pluralist might respond by arguing that the negation in (43) isn’t ordinary descriptive negation but rather an instance of meta-linguistic negation, that is the kind of negation that is present in utterances like this: