Philosophy Lexicon of Arguments

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Expansion, philosophy: when expanding theories it comes to the question whether a consistent theory remains consistent when it is expanded. Maximum consistent theories are not expandable. See also axioms, maximum consistent, theories, consistency, maximum.
 
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I 50
Expansion/Theory/Fraassen: seductive: that theories have hidden strenghts by allowing expansions to new phenomena - problem: then there can never be two empirically equivalent theories because they could be distinguished by possible expansions.
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I 51
Expansion/Theory/Fraassen: e.g. suppose experiments would have shown (counterfactually) that also the center of the gravitation system for electromagnetic waves should have been at rest - then the mechanics would have been successfully extended to electromagnetism.

Problem: -žsiegreiche-œ Erweiterungen können sie zwischen empirisch äquivalenten Theorien unterscheiden, denn diese haben immer dieselben Ressourcen, um Modelle für Erscheinungen zu konstruieren - d.h. wenn eine Theorie einen Sieg erringt, dann auch alle die Theorien, die mit ihr empirisch äquivalent sind - besser :Erweiterungen durch Phänomene, die nicht in eine Theorie passen - > Abschwächung.

Fr I
B. van Fraassen
The Scientific Image Oxford 1980


> Counter arguments against Fraassen



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Ed. Martin Schulz, access date 2017-05-24