Syllogist

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A syllogist is a headmate who focuses on logic and statistics when it comes to just about anything.

They especially use their logical thinking to determine how certain decisions might turn out for the system or specific headmates.

They can also tend to use it to justify their own feelings about certain things or to try to shut down their emotions if they view them as "wrong" or "illogical".

This can either be a headmate that already feels a lot of emotions, very little emotion, or that falls somewhere in between.