Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, Cardinal/Hayward/Jones and Bertrand Russell

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3 ideas

10. Modality / A. Necessity / 2. Nature of Necessity
'Necessary' is a predicate of a propositional function, saying it is true for all values of its argument [Russell]
Modal terms are properties of propositional functions, not of propositions [Russell]
10. Modality / A. Necessity / 6. Logical Necessity
Some facts about experience feel like logical necessities [Russell]