Combining Philosophers
Ideas for H.Putnam/P.Oppenheim, Gottfried Leibniz and C.I. Lewis
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5 ideas
10. Modality / B. Possibility / 1. Possibility
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There is a reason why not every possible thing exists [Leibniz]
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13084
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How can things be incompatible, if all positive terms seem to be compatible? [Leibniz]
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10. Modality / B. Possibility / 5. Contingency
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Necessary truths can be analysed into original truths; contingent truths are infinitely analysable [Leibniz]
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4307
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A reason must be given why contingent beings should exist rather than not exist [Leibniz]
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10. Modality / B. Possibility / 8. Conditionals / a. Conditionals
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Modal logic began with translation difficulties for 'If...then' [Lewis,CI, by Girle]
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