> Good. :)
>
> All I mean to say is that the following argument isn't valid:
>
> 1. X reacts to the world using neural reactions.
> 2. Y reacts to the world using chemical reactions.
> 3. Z reacts to the world using on-off switches.
> 4. X has mental states.
> -----
> C: Y and Z have mental states.
Of course, 1. I have mental states. 2. I am a person. 3. You are a person. --- C: You have mental states. isn't valid either. I'm not sure if there's a good reason to believe that I'll have mental states in the future, either, other than various zombie impossibility arguments.