The second section expounds a procedural theory of morality. The third and final section contrasts this procedural moral theory with several competing theories.
第一节说明认识的程序论，第二节提出道德程序论，第三节将此理论与若干竞争理论对照。
Students offer competing answers, challenge one another across the hall, debate with the philosophers — and learn the art of reasoned moral argument along the way.
学生们各抒己见，教室里会发出针锋相对的观点，那些哲学家们有时也会受到挑战——然后，他们用这种方式逐渐掌握用论据展开道德辩论的艺术。
Students offer competing answers, challenge one another across the hall, debate with the philosophers — and learn the art of reasoned moral argument along the way.
学生们各抒己见，教室里会发出针锋相对的观点，那些哲学家们有时也会受到挑战——然后，他们用这种方式逐渐掌握用论据展开道德辩论的艺术。
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