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In an era of advanced technology, it seems like science has found a way to replace a lot of body parts with prosthesis. At what point does prosthesis (and related medical devices that substitute for an organ/body part) make a person no longer human? Is a human defined by having a volitional mind? If so, does someone in a vegetative state qualify as human?

asked Jul 10 '13 at 01:51

user890's gravatar image


human is defined as a rational animal. This means an animal with a rational function available. If a human is in an indefinite comma or can not interact with the real world (a vegetable) then there is no way to know if he is still capable of a rational function. Also, if a human replaces his legs and hands and organs with mechanical parts, it is best classified as such, and not a new concept (unit-economy, or Occam's razor).

(Jul 10 '13 at 11:33) Bop Bop's gravatar image

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Asked: Jul 10 '13 at 01:51

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Last updated: Jul 10 '13 at 11:33