| 15779 | Possibility is when the necessity of the contrary is false [Aristotle] |
| 15769 | Anything which is possible either exists or will come into existence [Aristotle] |
| 22518 | The actual must be possible, because it occurred [Aristotle] |
| 20832 | The Master Argument seems to prove that only what will happen is possible [Diod.Cronus, by Epictetus] |
| 20790 | A proposition is possible if it is true when nothing stops it being true [Stoic school, by Diog. Laertius] |
| 22142 | In future, only logical limits can be placed on divine omnipotence [Anon (Par), by Boulter] |
| 12779 | There is a reason why not every possible thing exists [Leibniz] |
| 13084 | How can things be incompatible, if all positive terms seem to be compatible? [Leibniz] |
| 5566 | Is the possible greater than the actual, and the actual greater than the necessary? [Kant] |
| 18795 | A concept is logically possible if non-contradictory (but may not be actually possible) [Kant] |
| 5613 | The analytic mark of possibility is that it does not generate a contradiction [Kant] |
| 21410 | That a concept is not self-contradictory does not make what it represents possible [Kant] |
| 14786 | Some logical possibility concerns single propositions, but there is also compatibility between propositions [Peirce] |
| 22308 | Only the actual exists, so possibilities always reduce to actuality after full analysis [Russell] |
| 8361 | What is true used to be possible, but it may no longer be so [Wright,GHv] |
| 15782 | Quine wants identity and individuation-conditions for possibilia [Quine, by Lycan] |
| 15542 | All possibilities are recombinations of properties in the actual world [Armstrong, by Lewis] |
| 10269 | Mathematics eliminates possibility, as being simultaneous actuality in sets [Putnam] |
| 5479 | Scientific essentialists say science should define the limits of the possible [Ellis] |
| 8554 | Possible difference across worlds depends on difference across time in the actual world [Shoemaker] |
| 17059 | Unicorns are vague, so no actual or possible creature could count as a unicorn [Kripke] |
| 3697 | The concept of possibility is prior to that of necessity [Bonjour] |
| 12653 | There's statistical, logical, nomological, conceptual and metaphysical possibility [Fodor] |
| 11963 | What is the truthmaker for a non-existent possible? [Molnar] |
| 9212 | Possible states of affairs are not propositions; a proposition can't be a state of affairs! [Fine,K] |
| 15568 | When we consider possibilities, there must be something we are considering [Polt] |
| 16131 | The metaphysically possible is what acceptable principles and categories will permit [Lowe] |
| 4195 | It is impossible to reach a valid false conclusion from true premises, so reason itself depends on possibility [Lowe] |
| 7801 | Possibilities can be logical, theoretical, physical, economic or human [Girle] |
| 5739 | Sometimes we want to specify in what ways a thing is possible [Melia] |
| 8941 | We can't explain 'possibility' in terms of 'possible' worlds [Fisher] |
| 14376 | States of affairs are only possible if some substance could initiate a causal chain to get there [Jacobs] |
| 14578 | Possibility might be non-contradiction, or recombinations of the actual, or truth in possible worlds [Mumford/Anjum] |
| 18824 | Since possibilities are properties of the world, calling 'red' the determination of a determinable seems right [Rumfitt] |
| 18828 | If two possibilities can't share a determiner, they are incompatible [Rumfitt] |
| 17955 | Possible worlds allow us to talk about degrees of possibility [Vetter] |
| 17957 | Maybe possibility is constituted by potentiality [Vetter] |
| 19378 | Early modern possibility is what occurs sometime; for Leibniz, it is what is not contradictory [Arthur,R] |
| 19010 | All possibility is anchored in the potentiality of individual objects [Vetter] |
| 19013 | Possibility is a generalised abstraction from the potentiality of its bearer [Vetter] |
| 19028 | Possibilities are potentialities of actual things, but abstracted from their location [Vetter] |