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Old 01-31-2006, 08:49 AM   #21
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Originally Posted by Hoodoo Ulove
If your belief that God does not exist is indeed "falsifiably justified by the evidence" then the "alternative of pure delusion" is not merely "the simpler explanation" but also justified by the evidence.
No argument there.
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Old 01-31-2006, 09:03 AM   #22
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Furthermore, there is the issue of the logical connection between evidence and propositions believed on the basis of evidence. An important distinction is between verificationism and falsificationism. I hold to the stronger falsificationist connection between evidence and belief: A belief is rationally based on the evidence if and only if the contrary of the belief implies the contrary of the evidence. If some belief is compatible with both the evidence and its opposite, the belief is not based on the evidence; the evidence does not justify the belief.
Assume the following scenario (with thanks to the formal debate from which I adapted it). I hear a sound during the night, with any number of possible explanations. Based upon my experience with sounds, I believe two possibilities are break-in or my cat scratching at the door. I might be more inclined to accept the break-in hypothesis if I hear the sounds of footsteps and someone whispering. If, however, I hear my cat’s collar jingling in the general location of my back door, I might prefer the cat explanation. If I get up and walk downstairs where I observe scratch marks on the back door that were not there before and the cat is sitting by the door, whining, I may believe the cat explanation. But unless I am misunderstanding you, you don't think my belief is evidence-based since both explanations are possible. Is that really what you mean?
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Old 01-31-2006, 09:30 AM   #23
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Assume the following scenario (with thanks to the formal debate from which I adapted it). I hear a sound during the night, with any number of possible explanations. Based upon my experience with sounds, I believe two possibilities are break-in or my cat scratching at the door. I might be more inclined to accept the break-in hypothesis if I hear the sounds of footsteps and someone whispering. If, however, I hear my cat’s collar jingling in the general location of my back door, I might prefer the cat explanation. If I get up and walk downstairs where I observe scratch marks on the back door that were not there before and the cat is sitting by the door, whining, I may believe the cat explanation. But unless I am misunderstanding you, you don't think my belief is evidence-based since both explanations are possible. Is that really what you mean?
I would say these beliefs are indeed warranted by the evidence; they are indeed evidence-based beliefs.

In practice evidence-based beliefs never can achieve absolute impossibility. Taken precisely, we believe statements of probability (or plausibility); colloquially we treat highly improbable as (mostly) false, and highly probable as (mostly) true.

But I think probabilism is a red herring. The limiting case of probabilism is ordinary logical implication, and for ordinary propositions (rocks & trees) we're very close to the limit. On the other hand, I'm engaged in egregious handwaving here; if you want to base your argument on some weakness of probabilism, you have some room to manoever.

My contention is that we can establish probabilism with benign noncognitive metaphysical assumptions which are self-referentially coherent under phenomenalism. I'll de-jargonize this statement if you really do want to hang your argument on probabilism. If you don't, then just read the contention as "probabilism is unproblematic".
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Old 01-31-2006, 09:51 AM   #24
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None of these beliefs are cognitive (i.e. true/false) beliefs. I don't believe it's "true" that Van Gogh is a great painter in the same sense that I believe the law of gravity to be true: True for everyone, regardless of taste.
Thank you for clarifying. I don't think I've ever seen cognitive defined that way (which may be representative of my ignorance).

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Originally Posted by PoodleLovinPessimist
If you don't rely on personal revelation, if you're relying on shared, verifiable evidence, then at least we're in agreement on this point (w00t!). We still have the logical connection between hypotheticals and the evidence to consider, where falsifiability comes into play.
Indeed we do.

Further response will have to wait as work intervenes.
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Old 01-31-2006, 10:03 AM   #25
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Thank you for clarifying. I don't think I've ever seen cognitive defined that way (which may be representative of my ignorance).
<shrugs> "Cognitive" has many senses, even in canonical philosophy. True/False (or truth-apt) is just one of them. It's just a word, though; so long as the underlying concept is clear (cognitive in this sense means truth-apt, noncognitive means non-truth-apt), we're ok.

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Further response will have to wait as work intervenes.
Likewise. I'm debugging today, so that requires a lot of breaks.
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Old 02-01-2006, 05:46 AM   #26
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But I don't think any of us can avoid accepting lots of things without evidence and acting on them. Indeed, most of the truly wonderful things in life fall into this category -- art, literature, your reasons for dressing the way you do, liking the foods you like, making love the way you do, and deciding the great questions of life (e.g., Beatles or Stones).
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Originally Posted by PoodleLovinPessimist
None of these beliefs are cognitive (i.e. true/false) beliefs. I don't believe it's "true" that Van Gogh is a great painter in the same sense that I believe the law of gravity to be true: True for everyone, regardless of taste.
I don't see the demarcation as being so clear. For example:
  • historical evidence is true/false, but not falsifiable;
  • I believe logic is true (not just useful), despite no evidence in its favor;
  • some questions mix opinion and fact (e.g., "Is she right for me?"); and
  • non-cognitive matters (e.g., creativity, imagination, intuition) are vital in interpreting what we observe and believe.
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Originally Posted by PoodleLovinPessimist
If you want to put religious belief in the same category as literary or artistic appreciation, you'll get wholehearted assent from me. If you like your religion, then you like it, and I'm happy for you. It's just not true.
Again, I don't think it's so cut-and-dried. Discussions about whether Mozart or Beethoven was better are largely matters of taste, but comparisons between either and Milli Vanilli are in another category altogether.

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I don't think that your big questions are so big. My big question is: What is the universe like? What is true? As far as what theists seem consider the "big questions" (Who am I? Why am I here?), I think they're rather trivial. I am what I am*, and I just don't care why I'm here. There's no evidence to guide us, and all we can do is make it up ourselves.
I'm surprised at your answer (though I don't doubt you). Other big questions I find to be decidedly un-trivial include
  • Is she right for me?
  • What type of government is best?
  • Issues of morality and ethics -- Is torturing infants wrong or just a matter of taste?
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Originally Posted by PoodleLovinPessimist
If you don't rely on personal revelation, if you're relying on shared, verifiable evidence, then at least we're in agreement on this point (w00t!). We still have the logical connection between hypotheticals and the evidence to consider, where falsifiability comes into play.
I agree.
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Old 02-01-2006, 11:12 AM   #27
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historical evidence is true/false, but not falsifiable;
Historical evidence (documents, artifacts, testimonies, etc.) are verifiable.

Historical hypotheses have to falsifiable by the evidence. For instance: If George Washington didn't exist, we wouldn't observe his birth certificate; since we do in fact observe his birth certificate, he did in fact exist*. We cannot, however, conclude that George Washington did or did not have a mole on his left buttock; neither the hypothesis nor its inverse is contradicted by the evidence.

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I believe logic is true (not just useful), despite no evidence in its favor;
I don't.

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some questions mix opinion and fact (e.g., "Is she right for me?");
Then the fact part is truth-apt and the opinion part isn't.

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non-cognitive matters (e.g., creativity, imagination, intuition) are vital in interpreting what we observe and believe.
Vital perhaps. I deny they're truth-apt.

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Again, I don't think it's so cut-and-dried.
I do.

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Discussions about whether Mozart or Beethoven was better are largely matters of taste, but comparisons between either and Milli Vanilli are in another category altogether.
Not at all. It's purely a matter of taste.

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Is she right for me?
A matter of taste.

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What type of government is best?
A matter of taste.

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Issues of morality and ethics -- Is torturing infants wrong or just a matter of taste?
A matter of taste. I have a thread on this very topic in MF&P: Moral Subjectivism in a Nutshell


*This is, of course, an oversimplification. If you want to get into probabilism, I'll be happy to go there, but there's a bit of maths.
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