Combining Texts

Ideas for 'Counterpart theory and Quant. Modal Logic', 'Human Knowledge: its scope and limits' and 'Intro to 'Rationality in Greek Thought''

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2 ideas

10. Modality / A. Necessity / 6. Logical Necessity

16490

Some facts about experience feel like logical necessities [Russell]

10. Modality / A. Necessity / 7. Natural Necessity

11978

Causal necessities hold in all worlds compatible with the laws of nature [Lewis]