Which one of the following could be the order in which the runners run, from first to fourth?

Alexis on September 7 at 08:11PM


any tips for how to pick up that T must be in? I missed this inference and it threw off a lot of the game

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Emil on September 7 at 09:04PM

I think for games with an uncertain number of ins and outs, or with fewer spots than we have variables, it's critical to pay attention to the outs as well as the ins.

We also notice that the first rule sets up two possible states of the world, one in which q is in, and one in which Q is out. If q is in then t is in. However, in the world where q is out, q is filling our only out slot. So, in the two possible states of the world, T is in in both. So t must always be in.