12 ideas
| 2661 | Dialectic is speech cast in the form of logical argument [Cicero] |
| 2673 | There cannot be more than one truth [Cicero] |
| 2669 | Dialectic assumes that all statements are either true or false, but self-referential paradoxes are a big problem [Cicero] |
| 16050 | The goodness of a picture supervenes on the picture; duplicates must be equally good [Hare] |
| 14596 | Call 'nominalism' the denial of numbers, properties, relations and sets [Dorr] |
| 14597 | Natural Class Nominalism says there are primitive classes of things resembling in one respect [Dorr] |
| 14598 | Abstracta imply non-logical brute necessities, so only nominalists can deny such things [Dorr] |
| 2664 | If we have complete healthy senses, what more could the gods give us? [Cicero] |
| 2665 | How can there be a memory of what is false? [Cicero] |
| 20800 | Every true presentation can have a false one of the same quality [Cicero] |
| 2855 | In primary evaluative words like 'ought' prescription is constant but description can vary [Hare, by Hooker,B] |
| 2672 | Virtues must be very detached, to avoid being motivated by pleasure [Cicero] |