Combining Texts

Ideas for 'works', 'Prior Analytics' and 'Symbolic Logic (with Langford)'

expand these ideas     |    start again     |     choose another area for these texts

display all the ideas for this combination of texts


2 ideas

10. Modality / A. Necessity / 4. De re / De dicto modality
A deduction is necessary if the major (but not the minor) premise is also necessary [Aristotle]
10. Modality / B. Possibility / 8. Conditionals / a. Conditionals
Modal logic began with translation difficulties for 'If...then' [Lewis,CI, by Girle]