Complex sentence: Subjectivity is thus a kind of structural effect-what happens when Nature is diffused, refracted around a field of negativity and the "unity of the subject" for Hegel, is in fact a second-order effect, a "negation of negation".
Split into simpler sentences: Subjectivity is thus a kind of structural effect-what happens when Nature is diffused and refracted around a field of negativity. The "unity of the subject", for Hegel, is in fact a second-order effect, a "negation of negation".