6 ideas
21677 | How can the not-true fail to be false, or the not-false fail to be true? [Cicero] |
8728 | Intuitionist mathematics deduces by introspective construction, and rejects unknown truths [Brouwer] |
10990 | Conditionals are truth-functional, but unassertable in tricky cases? [Grice, by Read] |
21667 | Oratory and philosophy are closely allied; orators borrow from philosophy, and ornament it [Cicero] |
10991 | Key conversational maxims are 'quality' (assert truth) and 'quantity' (leave nothing out) [Grice, by Read] |
21678 | If desire is not in our power then neither are choices, so we should not be praised or punished [Cicero] |