I'm not sure why the 'but' ... an atom isn't going to be repeated because it already exists. You're going to reuse an atom every time you can. (But, then again, I'm assuming logic will be used here. *shrugs*)

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We are the carpenters and bricklayers of the Information Age.

Don't go borrowing trouble. For programmers, this means Worry only about what you need to implement.