Combining Texts

All the ideas for 'Necessary Existents', 'Building Blocks of Mathematical Logic' and 'Summula philosophiae naturalis'

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5 ideas

5. Theory of Logic / E. Structures of Logic / 4. Variables in Logic

17699

Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel]

7. Existence / E. Categories / 5. Category Anti-Realism

16608

Ockham was an anti-realist about the categories [William of Ockham, by Pasnau]

9. Objects / C. Structure of Objects / 4. Quantity of an Object

16599

Ockham says matter must be extended, so we don't need Quantity [William of Ockham, by Pasnau]

16681

Matter gets its quantity from condensation and rarefaction, which is just local motion [William of Ockham]

19. Language / D. Propositions / 3. Concrete Propositions

19216

Propositions (such as 'that dog is barking') only exist if their items exist [Williamson]