Combining Texts
Ideas for
'On the Philosophy of Logic', 'The Gay (Joyful) Science' and 'The Nature of Existence vol.1'
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4 ideas
10. Modality / A. Necessity / 2. Nature of Necessity
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Necessity is thought to require an event, but is only an after-effect of the event [Nietzsche]
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10. Modality / B. Possibility / 1. Possibility
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We can't explain 'possibility' in terms of 'possible' worlds [Fisher]
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10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals
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If all truths are implied by a falsehood, then not-p might imply both q and not-q [Fisher]
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10. Modality / B. Possibility / 8. Conditionals / d. Non-truthfunction conditionals
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In relevance logic, conditionals help information to flow from antecedent to consequent [Fisher]
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