Combining Texts

All the ideas for 'Gentzen's Analysis of First-Order Proofs', 'Title, Unity, Authenticity of the 'Categories'' and 'On 'Generation and Corruption''

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

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5 ideas

1. Philosophy / C. History of Philosophy / 3. Earlier European Philosophy / b. Early medieval philosophy

16137

Earlier views of Aristotle were dominated by 'Categories' [Frede,M]

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]

26. Natural Theory / A. Speculations on Nature / 6. Early Matter Theories / f. Ancient elements

16570

Elements are found last in dismantling bodies, and first in generating them [Albert of Saxony]