“Can you live your life 100% guided by reason?”
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With an account, you can revise, criticize, and comment on ideas.Living according to reason and rationality alone is impossible, because propositional knowledge is only a subset of needed knowledge for an embodied agent (the others being procedural, participatory- and perspectival knowledge)
It sounds like you have a different conception of knowledge and rationality from Popper’s/Deutsch’s.
There’s a unity of knowledge. Knowledge isn’t fragmented the way you suggest. Rationality means finding common preferences among ideas, ie making different types of ideas jibe. Why should that not be possible for the types of knowledge you mention?
Even if knowledge is unified at some fundamental level, we might not be able to live by means of this unified knowledge alone (because of how we function or pure complexity). Living life might require operating through other «kinds» of knowledge which are pre- cognitive. You cannot ride a bike or maintain a relationship by thinking through quantum mechanical or propositional theories to word.
You cannot ride a bike or maintain a relationship by thinking through quantum mechanical or propositional theories to word.
That isn’t what I mean by unity of knowledge. Of course we can’t process our knowledge in its totality at once. That’s necessarily piecemeal. But that doesn’t mean we can’t live a life guided by reason.
If you consider riding a bike an example of irrationality, and reasoning through quantum mechanics an example of rationality, then you haven’t understood Deutsch’s/my stance on rationality. I think you should study it, ask more questions about it, before you’re ready to criticize it.
After reading some more about Deutsch's and your definition of reason. Is it accurate to view reason more as a process than a static state? Where the process might be summed up by
1. Being open to criticism
2. Truth-seeking (commitment to getting ideas to jibe)
Thanks for asking good questions.
Is it accurate to view reason more as a process than a static state?
Yes.
Where the process might be summed up by
1. Being open to criticism
2. Truth-seeking (commitment to getting ideas to jibe)
Yes. Aka ‘common-preference finding’ aka ‘fun’.
Some of the virtues that @benjamin-davies has put together are part of it, too.