16 ideas
| 6259 | Why can't a wise man doubt everything? [Montaigne] |
| 6263 | No wisdom could make us comfortably walk a wide beam if it was high in the air [Montaigne] |
| 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] |
| 6258 | Virtue is the distinctive mark of truth, and its greatest product [Montaigne] |
| 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] |
| 6262 | We lack some sense or other, and hence objects may have hidden features [Montaigne] |
| 10558 | Abstract objects are actually constituted by the properties by which we conceive them [Zalta] |
| 14786 | Some logical possibility concerns single propositions, but there is also compatibility between propositions [Peirce] |
| 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] |
| 6260 | Sceptics say there is truth, but no means of making or testing lasting judgements [Montaigne] |
| 6261 | The soul is in the brain, as shown by head injuries [Montaigne] |
| 10557 | Abstract objects are captured by second-order modal logic, plus 'encoding' formulas [Zalta] |
| 14784 | Ethics is the science of aims [Peirce] |