Combining Philosophers

Ideas for Hermarchus, Timothy Williamson and Peter van Inwagen

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3 ideas

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence

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'Bivalence' is the meta-linguistic principle that 'A' in the object language is true or false [Williamson]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

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The 'Law' of Excluded Middle needs all propositions to be definitely true or definitely false [Inwagen]

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Excluded Middle is 'A or not A' in the object language [Williamson]