Re: Setting up the problem
Nope.
The two criteria are both needed and sufficient as I said.
So if you want to prove that some strategy-couple is not optimal, you have to prove just one
of both creteria to be wrong.
You wrote: if its not an optimal strategy-couple, then the first statement has to be wrong.
This is not true as I said, because the first one could actually be right, when the second is not.
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