Combining Texts

All the ideas for 'Ambitious, yet modest, Metaphysics', 'Investigations into Logical Deduction' and 'De Cive'

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5 ideas

1. Philosophy / E. Nature of Metaphysics / 5. Metaphysics beyond Science

16415

Esoteric metaphysics aims to be top science, investigating ultimate reality [Hofweber]

1. Philosophy / E. Nature of Metaphysics / 7. Against Metaphysics

16413

Science has discovered properties of things, so there are properties - so who needs metaphysics? [Hofweber]

5. Theory of Logic / G. Quantification / 1. Quantification

16416

The quantifier in logic is not like the ordinary English one (which has empty names, non-denoting terms etc) [Hofweber]

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

13832

Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking]

25. Social Practice / E. Policies / 1. War / c. Combatants

23609

I act justly if I follow my Prince in an apparently unjust war, and refusing to fight would be injustice [Hobbes]