Syllogist

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

They especially use it to determine how system wide or system member decisions might turn out.

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 or very litte or in between.