Re: [math-fun] Dual tic-tac-toe?

this was in one of Martin Gardner's books... On May 12, 2014, at 6:33 PM, Mike Stay <metaweta@gmail.com> wrote:

Where can I find a write-up of the dual version of tic-tac-toe (i.e. exchanging lines and points)?

-- Mike Stay - metaweta@gmail.com http://www.cs.auckland.ac.nz/~mike http://reperiendi.wordpress.com

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