It is that of increasing knowledge of empirical fact intimately combined with changing interpretations of this body of fact - hence changing general statements about it - and not least a changing a structure of the theoretical system.

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There's so many issues tied to the meat industry. I mean social environmental humanitarian - all of them. I know that when I'm eating that I'm not hurting the planet I'm not hurting other people on this planet I'm not hurting animals... and I'm not hurting nature.