So in both cases, no matter what the other person does, she receives a higher payoff from choosing Alpha, so she should choose Alpha.

这两种情况下,无论别人怎么选,她选α总能得到更好的成绩,所以她应该选α

耶鲁公开课 - 博弈论课程节选

And once I know that she's going to choose Alpha, it's clear that I should choose Alpha and get 0 rather than Beta and get -3. So I should choose Alpha also.

一旦我意识到她会选α的时候,很显然我应该也选α来得到0单位效用,而不是选β只得到-3,所以我也选α

耶鲁公开课 - 博弈论课程节选