17 ideas
| 7396 | Hobbes created English-language philosophy [Hobbes, by Tuck] |
| 16638 | The qualities of the world are mere appearances; reality is the motions which cause them [Hobbes] |
| 16688 | Evidence is conception, which is imagination, which proceeds from the senses [Hobbes] |
| 7405 | Experience can't prove universal truths [Hobbes] |
| 5163 | Basic propositions refer to a single experience, are incorrigible, and conclusively verifiable [Ayer] |
| 7006 | Observing irrelevant items supports both 'all x are y' and 'all x are non-y', revealing its absurdity [Schofield,J] |
| 5167 | The argument from analogy fails, so the best account of other minds is behaviouristic [Ayer] |
| 5164 | A statement is meaningful if observation statements can be deduced from it [Ayer] |
| 5165 | Directly verifiable statements must entail at least one new observation statement [Ayer] |
| 5166 | The principle of verification is not an empirical hypothesis, but a definition [Ayer] |
| 5162 | Sentences only express propositions if they are meaningful; otherwise they are 'statements' [Ayer] |
| 7408 | It is an error that reason should control the passions, which give right guidance on their own [Hobbes, by Tuck] |
| 7407 | Good and evil are what please us; goodness and badness the powers causing them [Hobbes] |
| 5168 | Moral approval and disapproval concerns classes of actions, rather than particular actions [Ayer] |
| 7410 | Self-preservation is basic, and people judge differently about that, implying ethical relativism [Hobbes, by Tuck] |
| 7409 | Hobbes shifted from talk of 'the good' to talk of 'rights' [Hobbes, by Tuck] |
| 7411 | The attributes of God just show our inability to conceive his nature [Hobbes] |