The first lesson was don't shoot towards the middle of the goal and the second more general lesson was what?

结论一是不要从中路射门,第二个更普遍的结论是什么

耶鲁公开课 - 博弈论课程节选

So the first lesson of the class, and there are going to be lots of lessons, that emerges immediately from the definition of a dominated strategy and it's this.

这节课的第一个结论,以后我们会总结更多的结论,从严格优势博弈概念里总结出来的,结论是这样的

耶鲁公开课 - 博弈论课程节选

The argument that eliminates strategies 67 and above, or 68 upwards, that strategy just involves the first lesson of last time: do not choose a dominated strategy, admittedly weak here, but still.

剔除67以上或者68以上的过程,仅仅用到了上堂课所提到的第一个结论,即不要采用劣势策略,虽然这里是弱劣势,但同理

耶鲁公开课 - 博弈论课程节选