12 ideas
| 12766 | Logical space is abstracted from the actual world [Stalnaker] |
| 23026 | We know mathematical axioms, such as subtracting equals from equals leaves equals, by a natural light [Leibniz] |
| 12764 | For the bare particular view, properties must be features, not just groups of objects [Stalnaker] |
| 12761 | An essential property is one had in all the possible worlds where a thing exists [Stalnaker] |
| 13189 | A necessary feature (such as air for humans) is not therefore part of the essence [Leibniz] |
| 12763 | Necessarily self-identical, or being what it is, or its world-indexed properties, aren't essential [Stalnaker] |
| 12762 | Bare particular anti-essentialism makes no sense within modal logic semantics [Stalnaker] |
| 19432 | Intelligible truth is independent of any external things or experiences [Leibniz] |
| 12765 | Why imagine that Babe Ruth might be a billiard ball; nothing useful could be said about the ball [Stalnaker] |
| 19430 | We know objects by perceptions, but their qualities don't reveal what it is we are perceiving [Leibniz] |
| 19431 | There is nothing in the understanding but experiences, plus the understanding itself, and the understander [Leibniz] |
| 21799 | We just use the word 'faculty' when we don't know the psychological cause [Galen] |