ETA: You edited your comment. Those are indeed the correct headers, so my correction above no longer applies.

Sorry for the confusion. I understand now; the extra space between two of the columns confused me.

However, I suspect we need a stronger logic to represent this properly. If Q always defects, no matter what, "you would cooperate with me if ... I ... cooperate with you" is false, but is given true in the propositional interpretation.