211 | -- | 296 | David Bostock. A study of type-neutrality |
297 | -- | 313 | Alan F. McMichael, Edward N. Zalta. An alternative theory of nonexistent objects |
315 | -- | 325 | Bertil Rolf. A theory of vagueness |
327 | -- | 340 | Peter K. Schotch, Raymond E. Jennings. Inference and necessity |