Combining Texts

All the ideas for 'Conditionals', 'Letter to Mersenne' and 'The Nature of Existence vol.1'

expand these ideas     |    start again     |     specify just one area for these texts

---

6 ideas

9. Objects / B. Unity of Objects / 2. Substance / d. Substance defined

22628

Substance has to exist, with no intrinsic qualities or relations [McTaggart]

10. Modality / B. Possibility / 8. Conditionals / a. Conditionals

13768

Validity can preserve certainty in mathematics, but conditionals about contingents are another matter [Edgington]

10. Modality / B. Possibility / 8. Conditionals / b. Types of conditional

13770

There are many different conditional mental states, and different conditional speech acts [Edgington]

10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals

13764

Are conditionals truth-functional - do the truth values of A and B determine the truth value of 'If A, B'? [Edgington]

13765

'If A,B' must entail ¬(A & ¬B); otherwise we could have A true, B false, and If A,B true, invalidating modus ponens [Edgington]

16. Persons / F. Free Will / 3. Constraints on the will

3789	The more reasons that compel me, the freer I am [Descartes]