14 ideas
| 21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
| 14782 | Philosophy is an experimental science, resting on common experience [Peirce] |
| 14787 | Self-contradiction doesn't reveal impossibility; it is inductive impossibility which reveals self-contradiction [Peirce] |
| 14783 | Logic, unlike mathematics, is not hypothetical; it asserts categorical ends from hypothetical means [Peirce] |
| 14788 | Mathematics is close to logic, but is even more abstract [Peirce] |
| 14786 | Some logical possibility concerns single propositions, but there is also compatibility between propositions [Peirce] |
| 3296 | Sense-data are a false objectification of what is essentially subjective [Nagel] |
| 14789 | Experience is indeed our only source of knowledge, provided we include inner experience [Peirce] |
| 14785 | The world is one of experience, but experiences are always located among our ideas [Peirce] |
| 3295 | Inner v outer brings astonishment that we are a particular person [Nagel] |
| 3293 | If you assert that we have an ego, you can still ask if that future ego will be me [Nagel] |
| 3292 | The most difficult problem of free will is saying what the problem is [Nagel] |
| 14784 | Ethics is the science of aims [Peirce] |
| 3294 | As far as possible we should become instruments to realise what is best from an eternal point of view [Nagel] |