Combining Philosophers

Ideas for Harré,R./Madden,E.H, Mohammed and Diogenes (Apoll)

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2 ideas

10. Modality / D. Knowledge of Modality / 1. A Priori Necessary
Necessity and contingency are separate from the a priori and the a posteriori [Harré/Madden]
10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / b. Conceivable but impossible
If Goldbach's Conjecture is true (and logically necessary), we may be able to conceive its opposite [Harré/Madden]