ThisSpaceAvailable comments on A simple game that has no solution - Less Wrong
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Comments (123)
"Classical game theory says that player 1 should chose A for expected utility 3, as this is better than than the sub game of choosing between B and C "
No since this is not a subgame because of the uncertainty. From Wikipedia " In game theory, a subgame is any part (a subset) of a game that meets the following criteria...It has a single initial node that is the only member of that node's information set... "
I'm uncertain about what TDT/UDT would say.
Can you give an example a pair G1, G2 such that you consider G2 to be a "subgame" of G1?