 Henri Bergson maintained that the positive nature of reality pre-empts nothingness (Sorensen 2022, 283). The absence of green mammals is not a brute fact. ‘There are no green mammals’ is made true by a positive fact that all mammals are hairy and there are only two pigments for hair - one producing black or brown hair, the other yellow or reddish orange. No mixture of those pigments yields green. Once we have the positive facts and the notion of negation, we can derive all the negative facts. ‘There is nothing’ would be a contingent, negative fact. But then it would have to be grounded on some positive reality. That positive reality would ensure that there is something rather than nothing.