Combining Texts

All the ideas for 'Frege's Theory of Numbers', 'Epistemic and Metaphysical Possibility' and 'On the General Idea of Proof Theory'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

13827

Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [Prawitz]

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

13826

Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz]

6. Mathematics / A. Nature of Mathematics / 4. Using Numbers / c. Counting procedure

17447

Parsons says counting is tagging as first, second, third..., and converting the last to a cardinal [Parsons,C, by Heck]

10. Modality / A. Necessity / 6. Logical Necessity

12185

Logical necessity is epistemic necessity, which is the old notion of a priori [Edgington, by McFetridge]