Combining Texts

All the ideas for 'Conditionals', 'Interview with Baggini and Stangroom' and 'Possible Worlds'

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9 ideas

7. Existence / A. Nature of Existence / 2. Types of Existence
Lewis's distinction of 'existing' from 'being actual' is Meinong's between 'existing' and 'subsisting' [Lycan on Lewis]
10. Modality / B. Possibility / 8. Conditionals / a. Conditionals
Validity can preserve certainty in mathematics, but conditionals about contingents are another matter [Edgington]
10. Modality / B. Possibility / 8. Conditionals / b. Types of conditional
There are many different conditional mental states, and different conditional speech acts [Edgington]
10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals
Are conditionals truth-functional - do the truth values of A and B determine the truth value of 'If A, B'? [Edgington]
'If A,B' must entail ¬(A & ¬B); otherwise we could have A true, B false, and If A,B true, invalidating modus ponens [Edgington]
10. Modality / E. Possible worlds / 1. Possible Worlds / d. Possible worlds actualism
Lewis can't know possible worlds without first knowing what is possible or impossible [Lycan on Lewis]
What are the ontological grounds for grouping possibilia into worlds? [Lycan on Lewis]
22. Metaethics / C. The Good / 1. Goodness / g. Consequentialism
Consequentialism wrongly assumes a clear line between an act and its consequences [Crisp,R]
27. Natural Reality / G. Biology / 4. Ecology
Does the environment have value in itself? [Crisp,R]