Combining Texts

Ideas for 'poems', 'Frege philosophy of mathematics' and 'Problems of Knowledge'

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

display all the ideas for this combination of texts

---

2 ideas

5. Theory of Logic / A. Overview of Logic / 3. Value of Logic

3599	Deduction shows entailments, not what to believe [Williams,M]

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

9820	In classical logic, logical truths are valid formulas; in higher-order logics they are purely logical [Dummett]