Combining Texts

All the ideas for 'The Evolution of Modern Metaphysics', 'Commentary on 'Posterior Analytics' and 'A Completeness Theorem in Modal Logic'

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9 ideas

1. Philosophy / E. Nature of Metaphysics / 1. Nature of Metaphysics

21959

Metaphysics is the most general attempt to make sense of things [Moore,AW]

4. Formal Logic / D. Modal Logic ML / 1. Modal Logic

10163

Propositional modal logic has been proved to be complete [Kripke, by Feferman/Feferman]

4. Formal Logic / D. Modal Logic ML / 3. Modal Logic Systems / a. Systems of modal logic

10760

With possible worlds, S4 and S5 are sound and complete, but S1-S3 are not even sound [Kripke, by Rossberg]

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

16189

The variable domain approach to quantified modal logic invalidates the Barcan Formula [Kripke, by Simchen]

15132

The Barcan formulas fail in models with varying domains [Kripke, by Williamson]

11. Knowledge Aims / C. Knowing Reality / 3. Idealism / b. Transcendental idealism

21958

Appearances are nothing beyond representations, which is transcendental ideality [Moore,AW]

18. Thought / E. Abstraction / 8. Abstractionism Critique

9073	Abstraction from an ambiguous concept like 'mole' will define them as the same [Barnes,J]

9074	Abstraction cannot produce the concept of a 'game', as there is no one common feature [Barnes,J]

9072	Defining concepts by abstractions will collect together far too many attributes from entities [Barnes,J]