Then you're left with a pill on your keyboard and no email, so presumably you're supposed to take it. If you discover a pill on your keyboard and an email, you

Then you're left with a pill on your keyboard and no email, so presumably you're supposed to take it. If you discover a pill on your keyboard and an email, you should delete the email and take the pill. I think this ensures at-most-once pharmaceutical delivery, but I haven't investigated formal proofs of Bicameral Generals with memory loss.