Combining Texts

All the ideas for 'Consciousness, Philosophy and Mathematics', 'Gentzen's Analysis of First-Order Proofs' and 'The Poetics'

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

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6 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

13831

Logic is based on transitions between sentences [Prawitz]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

13825

Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13823

In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz]

6. Mathematics / C. Sources of Mathematics / 10. Constructivism / b. Intuitionism

8728	Intuitionist mathematics deduces by introspective construction, and rejects unknown truths [Brouwer]

10. Modality / B. Possibility / 1. Possibility

22518

The actual must be possible, because it occurred [Aristotle]

21. Aesthetics / B. Nature of Art / 8. The Arts / b. Literature

16566

Poetry is more philosophic than history, as it concerns universals, not particulars [Aristotle]