Negation and polarity

Abstract

Black light is making a .. -eomeback. Nostalgia shops are reporting increas~d sales of those ultravioiet-emitting purplish light bllibs that impart a supernatural fluorescent glow to certain objects. And just as the psychedelia in reniaindered Peter Max posters from the 1960s. escape notic~ under normal illumination, the stars of the night sky are also out. at noon; they are just very hard to see while you're having lunch. It takes nightfall (or a solar eclipse) to render them visible to the naked eye. · So too with the dark light of negation, which-to shift metaphors-often plays the role of lexico-semantk tWeezers. Thus, a bit and a little, identical twins in (w), read differently to the presence' of negation.