4 ideas
| 20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
| 6004 | The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi] |
| 20890 | Why do sexual relationships need permanence, if other relationships don't? [Punzo] |
| 20891 | Does engaging in sexual intercourse really need no more thought than playing tennis? [Punzo] |