Combining Texts
Ideas for
'works', 'Prior Analytics' and 'Symbolic Logic (with Langford)'
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2 ideas
10. Modality / A. Necessity / 4. De re / De dicto modality
14641
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A deduction is necessary if the major (but not the minor) premise is also necessary [Aristotle]
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10. Modality / B. Possibility / 8. Conditionals / a. Conditionals
7803
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Modal logic began with translation difficulties for 'If...then' [Lewis,CI, by Girle]
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