Ed Jaynes provides the example of the Quantum Syllogism. I cannot count the number of times that I have heard this from proponents of QM. This is the logic of the Quantum Syllogism:(adsbygoogle = window.adsbygoogle || []).push({});

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The present mathematical formalism can be

made to reproduce many experimental facts

very accurately.

*Therefore*

The *physical interpretation* which Niels

Bohr tried to associate with it must be true;

and it is naive to try to circumvent it.

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Compare this with the Pre-Copernican Syllogism:

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The mathematical system of epicycles can be

made to reproduce the motions of the planets

very accurately.

*Therefore*

The theological arguments for the necessity of

epicycles as the perfect motions must be true,

and it is heresy to try to circumvent them.

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In what way are they different? The difference is only that today everybody knows what is wrong with the Pre-Copernican syllogism; but (from the frequency with which it is still repeated) only a relatively few have yet perceived the error in the Quantum Syllogism.

All the best

John B.

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# The Quantum Syllogism

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