Joined: Dec. 2006
Joe is so cute when he is playing make-believe science.
keiths: To reconstruct an objective nested hierarchy, you need both traits that are stable and traits that are changing.
Joe: Hey, that is what I said- the traits have to be immutable (stable) and additive (changing). I guess I know more about these things than what has been said about me.
LOL. Additive in a mathematical context means compatible with the operation of addition. (See additive function or additive group.) It has nothing to do with being subject to change.
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