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Thursday, December 17, 2009

"Objective Knowledge" by Karl Popper,1966

In what follows I shall use my schema, sometimes only implicitly; and I shall refer to emergence, assuming that my schema makes this idea sufficiently respectable within what I hope will be a rational discussion. I propose to deal with some aspects of the growth of knowledge under four headings:

Realism and Pluralism: Reduction versus Emergence.
Pluralism and Emergence in History.
Realism and Subjectivism in Physics.
Realism in Logic.
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IDEAS
that is
DESIGNATIONS or TERMS
or CONCEPTS STATEMENTS or PROPOSITIONS
or THEORIES
may be formulated in
WORDS ASSERTIONS
which may be
MEANINGFUL TRUE
and their
MEANING TRUTH
May be reduced, by way of
DEFINITIONS DERIVATIONS
to that of
UNDEFINED CONCEPTS PRIMITIVE PROPOSITIONS
The attempt to establish (rather than reduce) by these means their
MEANING TRUTH
leads to an infinite regress
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To sum up. As a realist I look upon logic as the organon of criticisms (rather than of proof) in our search for true and highly informative theories - or at least for new theories that contain more information, and correspond better to the facts, than our older theories. And I look upon criticism, in its turn, as our main instrument in promoting the growth of our knowledge about the world of facts.

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