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hallmarks of life vs....systematically related characteristics of human lifeA

The Companion to the Philosophy of Biology discusses the "hallmarks" of life: that is, characteristics that are, for the most part, found in living things, but which are neither necessary nor sufficient conditions for life.

I propose instead to look at these characteristics as found in humans and to explore how they are interrelated in us--especially how there might be a necessary/sufficient/contributing relation between these characteristics as they are found in us.  Next I would look at other species in comparison to humans, and in many ways as diminished examples of life as found humans, so that it might not be so surprising to see that some of those characteristics or hallmarks do not show up in some cases.

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