| 13221 | Existence is either potential or actual [Aristotle] |
| 568 | Some things exist as substances, others as properties of substances [Aristotle] |
| 16588 | I prefer a lack of form to mean non-existence, than to think of some quasi-existence [Augustine] |
| 16664 | Everything that exists is either a substance or an accident [Albert of Saxony] |
| 17174 | Outside the mind, there are just things and their properties [Spinoza] |
| 17176 | The more reality a thing has, the more attributes it has [Spinoza] |
| 21291 | There is no medium state between existence and non-existence [Hume] |
| 4168 | Matter and intellect are inseparable correlatives which only exist relatively, and for each other [Schopenhauer] |
| 19470 | Thoughts in the 'third realm' cannot be sensed, and do not need an owner to exist [Frege] |
| 10241 | For Quine, there is only one way to exist [Quine, by Shapiro] |
| 15535 | We can't accept a use of 'existence' that says only some of the things there are actually exist [Lewis] |
| 10470 | There are only two kinds: sets, and possibilia (actual and possible particulars) [Lewis, by Oliver] |
| 15520 | Existence doesn't come in degrees; once asserted, it can't then be qualified [Lewis] |
| 15789 | Lewis's distinction of 'existing' from 'being actual' is Meinong's between 'existing' and 'subsisting' [Lycan on Lewis] |
| 12620 | If 'exist' is ambiguous in 'chairs and numbers exist', that mirrors the difference between chairs and numbers [Fodor] |
| 13884 | The idea that 'exist' has multiple senses is not coherent [Wright,C] |
| 15078 | There are levels of existence, as well as reality; objects exist at the lowest level in which they can function [Fine,K] |
| 18769 | Do mathematicians use 'existence' differently when they say some entity exists? [Anderson,CA] |