Reduced to Twelve Lines of Dialogue

In critical rationalism, empiricism, induction, popper on 05/07/2011 at 12:32 pm

Logical Positivist: Popper, we know we didn’t let you in our club, but what you do you think of our plan on eliminating metaphysics by reducing all meaningful statements to elementary statements of experience or analytic truths? Isn’t it swell?

Popper: Are you blind?

Logical Positivist: What?

Popper: You define ‘meaningful’ as ‘possible to empirically investigate’ while you define ‘meaningless’ as ‘impossible to empirically investigate,’ but metaphysics has usually been defined as non-empirical. Your use of the word ‘meaningless’ is derogatory, rather than descriptive. I call your very plan into question as merely restricting definitions.

Logical Positivist: No, it’s not!

Popper: Fine, if that will not turn you, put that criticism aside. Does this criticism work? Your very plan is not analytic, nor is it reducible to an elementary statement of experience. Therefore, there exists at least one meaningful metaphysical statement: your plan.

Logical Positivist: … could you try something more … palatable?

Popper: Sure, try this on for size. If we assume that you are successful in eliminating all metaphysics–by that very criterion of meaning, scientific laws cannot be reduced to elementary statements of experience, and ought to be rejected as meaningless.

Logical Positivist: … um … Let me get back to you …

Popper: Take as much time as you want. Put all my previous objections aside and assume for the moment that you have solved them all. How about this? You accept an inductive logic, right?

Logical Positivist: Sure!

Popper: Your proposed inductive logics are not reducible to elementary statements of experience or analytic truths. Your plan is clearly incoherent.


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