Sure, if humans exist then rationality should exist.
But my question stands, why should humans exist? If I'm reading correctly your post assumes that a rapid cessation of humans would be somehow a bad thing.
Stop me if you feel this is entering into uselessly nihilistic territory and we can call it quits here.
Objectively, without reference to human perspective? No reason whatsoever, unless you count the fact that humans would generally prefer to exist than to not exist as an objective reason.
Subjectively? Because we, generally, prefer to exist, and more than that, prefer that other human beings continue to exist. Should we count the preferences of people who don't exist yet? Doesn't really matter. The preferences of people today are, cumulatively, that people exist tomorrow. We can of course ignore the general preference of people tomorrow to exist (as th...
This is the public group instrumental rationality diary for April 5-14.
Thanks to cata for starting the Group Rationality Diary posts, and to commenters for participating!
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