BOTH PARTNERS HAVE BID IN A GAME-FORCING AUCTION AND THE OPPONENTS MAKE A TAKEOUT DOUBLE

pass after doublePartial support for partner's suit, e.g. three after 1S 2D, or a doubleton after 1S 2H.
redoubleNot even partial support for partner's suit, either a singleton or doubleton. However not a void, because partner might gamble to play in the redoubled contract. Says nothing about strength, since the partnership is known to have at least game-going values.
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Copyright 2015 Finn Clark.