On 10/18/2018 6:28 AM, Bruno Marchal wrote:

On 16 Oct 2018, at 10:00, Philip Thrift <[email protected] <mailto:[email protected]>> wrote:



On Monday, October 15, 2018 at 8:50:57 PM UTC-5, Brent wrote:



    The "separation" of science from religion was the invention of
    science as a way of knowing what was fact and what was
    superstition.  Science was testing beliefs and holding them only
    provisionally.

    Brent



They had myths. We have models.

"As an empiricist I continue to think of the conceptual scheme of science as a tool, ultimately, for predicting future experience in the light of past experience. Physical objects are conceptually imported into the situation as convenient intermediaries -- not by definition in terms of experience, but simply as irreducible posits comparable, epistemologically, to the gods of Homer. Let me interject that for my part I do, qua lay physicist, believe in physical objects and not in Homer's gods; and I consider it a scientific error to believe otherwise. *But in point of epistemological footing the physical objects and the gods differ only in degree and not in kind. *

Sufficiently great difference in degree amounts to a difference in kind, e.g. between reality and dream.  Which is why Quine can live by his beliefs in one but not the other.

Brent


*Both sorts of entities enter our conception only as cultural posits.* The myth of physical objects is epistemologically superior to most in that it has proved more efficacious than other myths as a device for working a manageable structure into the flux of experience."
-- Willard Van Orman Quine


Very good.

Let us notice that Plato already exchange the god of Homer, for a reality amenable to science (the worlds of idea). Xeusippes considered that this was akin to mathematics, if not mathematics. Xeusippes thought that Plato should have banished Aristotle from the academy, with his propensity to treat Nature and Matter as something that we can take for granted. The dream argument shows that this moves is invalid in general.

Bruno




"It's models almost all the way up and all the way down."
-- Ronald Giere
- pt


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