If you replace each and every part except for the case, are you "turning an Aptiva into an i7" or are you just using an old case for your computer?
> The Ship of Theseus is a thought experiment about whether an object that has had all of its components replaced remains fundamentally the same object. […] The concept is one of the oldest in Western philosophy, going back to the time of 500–400 BC. It is a common theme in the field of metaphysics.
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Correct title should be: building a modern PC inside an IBM Aptiva case.