6 ideas
23647 | Objects have an essential constitution, producing its qualities, which we are too ignorant to define [Reid] |
7566 | The Identity of Indiscernibles is really the same as the verification principle [Jolley] |
11958 | Impossibilites are easily conceived in mathematics and geometry [Reid, by Molnar] |
23646 | Reference is by name, or a term-plus-circumstance, or ostensively, or by description [Reid] |
23645 | A word's meaning is the thing conceived, as fixed by linguistic experts [Reid] |
2116 | The concept of an existing thing must contain more than the concept of a non-existing thing [Leibniz] |