11 ideas
| 5500 | Biologists see many organic levels, 'abstract' if seen from below, 'structural' if seen from above [Lycan] |
| 18439 | Because things can share attributes, we cannot individuate attributes clearly [Quine] |
| 18442 | You only know an attribute if you know what things have it [Quine] |
| 18441 | No entity without identity (which requires a principle of individuation) [Quine] |
| 5494 | 'Lightning is electric discharge' and 'Phosphorus is Venus' are synthetic a posteriori identities [Lycan] |
| 18440 | Identity of physical objects is just being coextensive [Quine] |
| 5496 | Functionalism has three linked levels: physical, functional, and mental [Lycan] |
| 5499 | A mental state is a functional realisation of a brain state when it serves the purpose of the organism [Lycan] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 5501 | People are trying to explain biological teleology in naturalistic causal terms [Lycan] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |