1690 | A stone travels upwards by a forced necessity, and downwards by natural necessity [Aristotle] |
21389 | Carneades distinguished logical from causal necessity, when talking of future events [Long on Carneades] |
21362 | Necessity is physical, logical, mathematical or moral [Schopenhauer, by Janaway] |
9442 | The only necessity is logical necessity [Wittgenstein] |
13576 | Necessities are distinguished by their grounds, not their different modalities [Ellis] |
6987 | We should not multiply senses of necessity beyond necessity [Jackson] |
15291 | There is 'absolute' necessity (implied by all propositions) and 'relative' necessity (from what is given) [Harré/Madden] |
16466 | Strong necessity is always true; weak necessity is cannot be false [Stalnaker] |
14680 | Logical possibility contains metaphysical possibility, which contains nomological possibility [Salmon,N] |
9205 | The three basic types of necessity are metaphysical, natural and normative [Fine,K] |
15079 | 'Conceptual' necessity is narrow logical necessity, true because of concepts and logical laws [Lowe] |
16533 | Logical necessities, based on laws of logic, are a proper sub-class of metaphysical necessities [Lowe] |
8261 | Maybe not-p is logically possible, but p is metaphysically necessary, so the latter is not absolute [Hale] |
15080 | 'Relative' necessity is just a logical consequence of some statements ('strong' if they are all true) [Hale] |
15081 | A strong necessity entails a weaker one, but not conversely; possibilities go the other way [Hale] |
13721 | 'Strong' necessity in all possible worlds; 'weak' necessity in the worlds where the relevant objects exist [Sider] |
19286 | 'Absolute necessity' is when there is no restriction on the things which necessitate p [Hale] |
19288 | Logical and metaphysical necessities differ in their vocabulary, and their underlying entities [Hale] |
19290 | Absolute necessities are necessarily necessary [Hale] |
7800 | Analytic truths are divided into logically and conceptually necessary [Girle] |
4646 | Is 'events have causes' analytic a priori, synthetic a posteriori, or synthetic a priori? [Baggini /Fosl] |
9482 | If the laws necessarily imply p, that doesn't give a new 'nomological' necessity [Bird] |
13244 | Relevant necessity is always true for some situation (not all situations) [Beall/Restall] |
10933 | Physical possibility is part of metaphysical possibility which is part of logical possibility [Rami] |
14703 | Superficial necessity is true in all worlds; deep necessity is thus true, no matter which world is actual [Schroeter] |
14532 | A distinctive type of necessity is found in logical consequence [Rumfitt, by Hale/Hoffmann,A] |