soheil1 there had to be a Nash equilibrium It was necessary or the speaker is convinced that there was one. soheil1 there should have been a Nash equilibrium It would have been better if there had been one.
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soheil1there had to be a Nash equilibriumIt was necessary or the speaker is convinced that there was one.
soheil1there should have been a Nash equilibriumIt would have been better if there had been one.