12 ideas
| 21405 | Cicero sees wisdom in terms of knowledge, but earlier Stoics saw it as moral [Cicero, by Long] |
| 6259 | Why can't a wise man doubt everything? [Montaigne] |
| 20871 | Unfortunately we choose a way of life before we are old enough to think clearly [Cicero] |
| 6263 | No wisdom could make us comfortably walk a wide beam if it was high in the air [Montaigne] |
| 6258 | Virtue is the distinctive mark of truth, and its greatest product [Montaigne] |
| 13831 | Logic is based on transitions between sentences [Prawitz] |
| 13825 | Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz] |
| 13823 | In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz] |
| 6262 | We lack some sense or other, and hence objects may have hidden features [Montaigne] |
| 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] |
| 6031 | The essence of propriety is consistency [Cicero] |