Keltham hasn't communicated with Snack Service like that before.

And yes, Keltham is planning to request a cookie using an unspoken code that he came up with the previous night, very suddenly, and not think about that at all, if he can help it.  Snack Service will if allowed truthfully give Keltham the coded cookie for 'I can't answer that for complicated decision-theoretical reasons', which is mostly what Keltham expects in Ordinary and in Mindreading Conspiracy and less expects in Nonmindreading Conspiracy.

Keltham hasn't communicated with Snack Service like that before.

And yes, Keltham is planning to request a cookie using an unspoken code that he came up with the previous night, request it very suddenly, and not think about that at all, if he can help it.  Snack Service will if allowed truthfully give Keltham the coded cookie for 'I can't answer that for complicated decision-theoretical reasons', which is mostly what Keltham expects in Ordinary and in Mindreading Conspiracy and less expects in Nonmindreading Conspiracy.

Keltham hasn't communicated with Snack Service like that before.

And yes, Keltham is planning to request a cookie for dessert using an unspoken code that he came up with the previous night, request it very suddenly, and not think about that at all, if he can help it.  Snack Service will if allowed truthfully give Keltham the coded cookie for 'I can't answer that for complicated decision-theoretical reasons', which is mostly what Keltham expects in Ordinary and in Mindreading Conspiracy and less expects in Nonmindreading Conspiracy.