Combining Texts

All the ideas for 'Philosophical Fragments', 'Mathematical Intuition' and 'Elements of Intuitionism (2nd ed)'

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4 ideas

4. Formal Logic / E. Nonclassical Logics / 2. Intuitionist Logic

18832

Mathematical statements and entities that result from an infinite process must lack a truth-value [Dummett]

6. Mathematics / C. Sources of Mathematics / 4. Mathematical Empiricism / c. Against mathematical empiricism

18201

General principles can be obvious in mathematics, but bold speculations in empirical science [Parsons,C]

7. Existence / A. Nature of Existence / 5. Reason for Existence

16007

I assume existence, rather than reasoning towards it [Kierkegaard]

10. Modality / A. Necessity / 2. Nature of Necessity

16013

Nothing necessary can come into existence, since it already 'is' [Kierkegaard]