display all the ideas for this combination of philosophers
3 ideas
15228 | Necessity and contingency are separate from the a priori and the a posteriori [Harré/Madden] |
17703 | Light in straight lines is contingent a priori; stipulated as straight, because they happen to be so [Mares] |
15252 | If Goldbach's Conjecture is true (and logically necessary), we may be able to conceive its opposite [Harré/Madden] |