Combining Texts

Ideas for 'Thinking About Mathematics', 'Philosophical Logic' and 'A Powers Theory of Modality'

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4 ideas

10. Modality / B. Possibility / 1. Possibility

14376

States of affairs are only possible if some substance could initiate a causal chain to get there [Jacobs]

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

15422

Three conditionals theories: Materialism (material conditional), Idealism (true=assertable), Nihilism (no truth) [Burgess]

15423

It is doubtful whether the negation of a conditional has any clear meaning [Burgess]

10. Modality / B. Possibility / 9. Counterfactuals

14379

Counterfactuals invite us to consider the powers picked out by the antecedent [Jacobs]