Combining Texts

Ideas for 'On the Philosophy of Logic', 'Philosophy and Scientific Image of Man' and 'Morals and Modals'

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5 ideas

10. Modality / B. Possibility / 1. Possibility

8941	We can't explain 'possibility' in terms of 'possible' worlds [Fisher]

10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals

8947	If all truths are implied by a falsehood, then not-p might imply both q and not-q [Fisher]

10. Modality / B. Possibility / 8. Conditionals / d. Non-truthfunction conditionals

8949	In relevance logic, conditionals help information to flow from antecedent to consequent [Fisher]

10. Modality / C. Sources of Modality / 1. Sources of Necessity

14629

If we are told the source of necessity, this seems to be a regress if the source is not already necessary [Blackburn]

14529

If something underlies a necessity, is that underlying thing necessary or contingent? [Blackburn, by Hale/Hoffmann,A]