Combining Texts

All the ideas for 'Basic Problems of Phenomenology', 'On the Nature of Mathematical Reasoning' and 'On the General Idea of Proof Theory'

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

---

5 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 / C. Ontology of Logic / 2. Platonism in Logic

15571

The idea of an atemporal realm of validity is as implausible as medieval theology [Heidegger]

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 / 5. The Infinite / d. Actual infinite

15923

Poincaré rejected the actual infinite, claiming definitions gave apparent infinity to finite objects [Poincaré, by Lavine]

23. Ethics / F. Existentialism / 6. Authentic Self

15581

Dasein is always only that which it has chosen to be [Heidegger]