Combining Texts

All the ideas for 'Events', 'The Problem of Possibilia' and 'Vagueness'

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12 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

21597

Logical connectives have the highest precision, yet are infected by the vagueness of true and false [Russell, by Williamson]

7. Existence / B. Change in Existence / 4. Events / a. Nature of events

15567

Some events involve no change; they must, because causal histories involve unchanges [Lewis]

15561

The events that suit semantics may not be the events that suit causation [Lewis]

15565

Events have inbuilt essences, as necessary conditions for their occurrence [Lewis]

15566

Events are classes, and so there is a mereology of their parts [Lewis]

7. Existence / B. Change in Existence / 4. Events / c. Reduction of events

15564

An event is a property of a unique space-time region [Lewis]

7. Existence / D. Theories of Reality / 10. Vagueness / d. Vagueness as linguistic

9051	Since natural language is not precise it cannot be in the province of logic [Russell, by Keefe/Smith]

9054	Vagueness is only a characteristic of representations, such as language [Russell]

8. Modes of Existence / B. Properties / 10. Properties as Predicates

15563

Properties are very abundant (unlike universals), and are used for semantics and higher-order variables [Lewis]

10. Modality / B. Possibility / 1. Possibility

9212	Possible states of affairs are not propositions; a proposition can't be a state of affairs! [Fine,K]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

9213	The actual world is a possible world, so we can't define possible worlds as 'what might have been' [Fine,K]

26. Natural Theory / C. Causation / 1. Causation

15562

Causation is a general relation derived from instances of causal dependence [Lewis]