The more we learn of the true nature of non-human animals, especially those with complex brains and corresponding complex social behaviour, the more ethical concerns are raised regarding their use in the service of man—whether this be in entertainment, as ‘pets,’ for food, in research laboratories or any of the other uses to which we subject them.

交往行为的理性是通过对有效性主张的主体间承认来衡量的。

The concept of law involves the union of primary rules of obligation with secondary rules of recognition, change, and adjudication.