Combining Texts

All the ideas for 'The Roots of Reference', 'Presidential Address of Am. Math. Soc' and 'Explanation in Mathematics'

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3 ideas

5. Theory of Logic / A. Overview of Logic / 2. History of Logic

10247

We have no adequate logic at the moment, so mathematicians must create one [Veblen]

8. Modes of Existence / C. Powers and Dispositions / 3. Powers as Derived

14296

Dispositions are physical states of mechanism; when known, these replace the old disposition term [Quine]

9. Objects / D. Essence of Objects / 7. Essence and Necessity / b. Essence not necessities

13166

Essences are no use in mathematics, if all mathematical truths are necessary [Mancosu]