| 11238 | Plato and Aristotle take essence to make a thing what it is [Plato, by Politis] |
| 11291 | A thing's essence is its intrinsic nature [Aristotle] |
| 10964 | Having an essence is the criterion of being a substance [Aristotle, by Lawson-Tancred] |
| 12098 | An essence causes both its own unity and its kind [Aristotle] |
| 11208 | A simple substance is its own essence [Aquinas] |
| 9109 | If essence and existence were two things, one could exist without the other, which is impossible [William of Ockham] |
| 17187 | Essence gives existence and conception to things, and is inseparable from them [Spinoza] |
| 12510 | Not all identity is unity of substance [Locke] |
| 11155 | Essence is the very being of any thing, whereby it is what it is [Locke] |
| 12706 | Bodies need a soul (or something like it) to avoid being mere phenomena [Leibniz] |
| 12753 | A substantial bond of powers is needed to unite composites, in addition to monads [Leibniz] |
| 15637 | Essence is the essential self-positing unity of immediacy and mediation [Hegel] |
| 15262 | In logic the nature of a kind, substance or individual is the essence which is inseparable from what it is [Harré/Madden] |
| 12137 | De re essentialism standardly says all possible objects identical with a have a's essential properties [Brody] |
| 12082 | If unity is a matter of degree, then essence may also be a matter of degree [Witt] |
| 3350 | Could a horse lose the essential property of being a horse, and yet continue to exist? [Benardete,JA] |
| 14222 | Essences are what it is to be that (kind of) thing - in fact, they are the thing's identity [Shalkowski] |
| 13804 | A property is essential iff the object would not exist if it lacked that property [Forbes,G] |
| 13805 | Properties are trivially essential if they are not grounded in a thing's specific nature [Forbes,G] |
| 11161 | Essentially having a property is naturally expressed as 'the property it must have to be what it is' [Fine,K] |
| 15065 | What it is is fixed prior to existence or the object's worldly features [Fine,K] |
| 12240 | Essentialism is the main account of the unity of objects [Oderberg] |
| 13797 | The loss of an essential property means the end of an existence [Elder] |
| 14191 | Deep essentialists say essences constrain how things could change; modal profiles fix natures [Paul,LA] |