14 ideas
| 9271 | Human knowledge may not produce well-being; the examined life may not be worth living [Gray] |
| 13157 | Choose the true hypothesis, which is the most intelligible one [Leibniz] |
| 10993 | Ramsey's Test: believe the consequent if you believe the antecedent [Ramsey, by Read] |
| 14279 | Asking 'If p, will q?' when p is uncertain, then first add p hypothetically to your knowledge [Ramsey] |
| 9275 | Knowledge does not need minds or nervous systems; it is found in all living things [Gray] |
| 6894 | Mental terms can be replaced in a sentence by a variable and an existential quantifier [Ramsey] |
| 13158 | The Copernican theory is right because it is the only one offering a good explanation [Leibniz] |
| 9276 | The will hardly ever does anything; most of our life just happens to us [Gray] |
| 9278 | Nowadays we identify the free life with the good life [Gray] |
| 9420 | Causal laws result from the simplest axioms of a complete deductive system [Ramsey] |
| 9418 | All knowledge needs systematizing, and the axioms would be the laws of nature [Ramsey] |
| 9280 | Over forty percent of the Earth's living tissue is human [Gray] |
| 9272 | Without Christianity we lose the idea that human history has a meaning [Gray] |
| 9279 | What was our original sin, and how could Christ's suffering redeem it? [Gray] |