Certain actions and emotions can be universally valid, which requires universally binding norms to ground that validity

The defining claim of SW Neo-Kantianism is that there are universally valid norms, and every universally valid norm has an a priori ground.[19] The concept of the a priori is therefore not a psychological or biological notion (the a priori is not the innate), nor is it an anthropological notion (the a priori is not what is universally assented to). The a priori are norms, the recognition of which is indispensable for normative activities. In theoretical philosophy, the a priori are norms the r