Husserl and Grice on negation

Negation negation a noetic modification of a positing, noematic cancellation 2/<9f .="" 219ff.="" 220f.="" 221.="" a="" an="" as="" being="" by="" determination="" equivalent="" every="" existing="" negated="" negation="" negatum="" non-being="" not="" object="" p="" posited="" produced="" reflection="" reiterated="" to="" validly="">