Nature can be described in terms of two complementary viewpoints: (1) The bottom-up approach begins with elementary particles and their forces, whereas (2) the top-down approach starts with subjects and the values that guide their actions.
Nature can be described in terms of two complementary viewpoints: (1) The bottom-up approach begins with elementary particles and their forces, whereas (2) the top-down approach starts with subjects and the values that guide their actions.