| 20804 | Concepts are intellectual phantasms [Stoic school, by Ps-Plutarch] |
| 12911 | Concepts are what unite a proposition [Leibniz] |
| 17616 | Thoughts without content are empty, intuitions without concepts are blind [Kant] |
| 5553 | Either experience creates concepts, or concepts make experience possible [Kant] |
| 5593 | Reason generates no concepts, but frees them from their link to experience in the understanding [Kant] |
| 15607 | We don't think with concepts - we think the concepts [Hegel] |
| 15610 | Active thought about objects produces the universal, which is what is true and essential of it [Hegel] |
| 20953 | Every concept depends on the counter-concepts of what it is not [Hegel, by Bowie] |
| 8715 | Infinities expand the bounds of the conceivable; we explore concepts to explore conceivability [Cantor, by Friend] |
| 23189 | Concepts are rough groups of simultaneous sensations [Nietzsche] |
| 23192 | Concepts don’t match one thing, but many things a little bit [Nietzsche] |
| 9870 | Early Frege takes the extensions of concepts for granted [Frege, by Dummett] |
| 5384 | A universal of which we are aware is called a 'concept' [Russell] |
| 16366 | The Generality Constraint says if you can think a predicate you can apply it to anything [Evans] |
| 8245 | The logical attitude tries to turn concepts into functions, when they are really forms or forces [Deleuze/Guattari] |
| 13865 | 'Sortal' concepts show kinds, use indefinite articles, and require grasping identities [Wright,C] |
| 13866 | A concept is only a sortal if it gives genuine identity [Wright,C] |
| 16535 | A concept is a way of thinking of things or kinds, whether or not they exist [Lowe] |
| 10344 | Our experience may be conceptual, but surely not the world itself? [Kusch] |
| 10110 | Corresponding to every concept there is a class (some of them sets) [George/Velleman] |
| 17980 | The main theories of concepts are exemplar, prototype and knowledge [Murphy] |
| 16365 | Mental files are individual concepts (thought constituents) [Recanati] |
| 8688 | Concepts can be presented extensionally (as objects) or intensionally (as a characterization) [Friend] |
| 19088 | For pragmatists a concept means its consequences [Macbeth] |
| 11120 | Concepts are either representations, or abilities, or Fregean senses [Margolis/Laurence] |
| 18574 | Concepts for categorisation and for induction may be quite different [Machery] |
| 18588 | Concept theories aim at their knowledge, processes, format, acquisition, and location [Machery] |
| 18611 | We should abandon 'concept', and just use 'prototype', 'exemplar' and 'theory' [Machery] |