Combining Philosophers
Ideas for Lynch,MP/Glasgow,JM, Bertrand Russell and Franois Recanati
expand these ideas
|
start again
|
choose
another area for these philosophers
display all the ideas for this combination of philosophers
10 ideas
10. Modality / A. Necessity / 2. Nature of Necessity
8375
|
'Necessary' is a predicate of a propositional function, saying it is true for all values of its argument [Russell]
|
6099
|
Modal terms are properties of propositional functions, not of propositions [Russell]
|
10. Modality / A. Necessity / 6. Logical Necessity
16490
|
Some facts about experience feel like logical necessities [Russell]
|
10. Modality / B. Possibility / 1. Possibility
22308
|
Only the actual exists, so possibilities always reduce to actuality after full analysis [Russell]
|
10. Modality / B. Possibility / 5. Contingency
21533
|
Contingency arises from tensed verbs changing the propositions to which they refer [Russell]
|
10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals
12197
|
Inferring q from p only needs p to be true, and 'not-p or q' to be true [Russell]
|
14450
|
All forms of implication are expressible as truth-functions [Russell]
|
10. Modality / B. Possibility / 9. Counterfactuals
22303
|
It makes no sense to say that a true proposition could have been false [Russell]
|
10. Modality / E. Possible worlds / 1. Possible Worlds / a. Possible worlds
5400
|
In any possible world we feel that two and two would be four [Russell]
|
14460
|
If something is true in all possible worlds then it is logically necessary [Russell]
|