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Ideas for 'fragments/reports', 'Inverted Earth' and 'The Limits of Reason'

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5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models

18694	Permutation Theorem: any theory with a decent model has lots of models [Button]
	Full Idea: The Permutation Theorem says that any theory with a non-trivial model has many distinct isomorphic models with the same domain.
	From: Tim Button (The Limits of Reason [2013], 02.1)
	A reaction: This may be the most significant claim of model theory, since Putnam has erected an argument for anti-realism on it. See the ideas of Tim Button.