> We don't even really have an agreed-upon definition of life, so the question is basically non-sensical.
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> I am pretty sure we'd be able to recognize other types of life.
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> Source: I actually studied this in college, for a bit.
So, let me summarize. You find the question non-sensical, then you are sure you know the answer, and finally you appeal to authority (your own) to elevate your opinion over those of us mere common-sense mortals.
Sorry, I'd have liked to give more weight to your angle, but you kinda made that hard.
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> I am pretty sure we'd be able to recognize other types of life.
...
> Source: I actually studied this in college, for a bit.
So, let me summarize. You find the question non-sensical, then you are sure you know the answer, and finally you appeal to authority (your own) to elevate your opinion over those of us mere common-sense mortals.
Sorry, I'd have liked to give more weight to your angle, but you kinda made that hard.