Combining Texts

All the ideas for 'Mind and Its Place in Nature', 'Barcan Formulae' and 'On Sufficient Reason'

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

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4 ideas

2. Reason / B. Laws of Thought / 1. Laws of Thought

19404

Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz]

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

15380

Barcan:nothing comes into existence; Converse:nothing goes out; Both:domain is unchanging [Vervloesem]

12. Knowledge Sources / B. Perception / 6. Inference in Perception

7628	Broad rejects the inferential component of the representative theory [Broad, by Maund]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

19403

Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz]