Despite their differences, optimalism and (Truth Supervenes Upon Being) share a key idea in common—that a negative existential truth isn’t true because something exists, but because something doesn’t, viz. a truth-maker for its contradictory, a false-maker for it. C.B. Martin has objected that this doesn’t obviate the need to posit truth-makers for negative existentials. This is because a statement that there are no false-makers for a negative existential truth is itself a negative existential t