36 ideas
| 9247 | Life will be lived better if it has no meaning [Camus] |
| 1597 | Thales was the first western thinker to believe the arché was intelligible [Roochnik on Thales] |
| 6707 | Suicide - whether life is worth living - is the one serious philosophical problem [Camus] |
| 9245 | To an absurd mind reason is useless, and there is nothing beyond reason [Camus] |
| 5750 | Consistency is modal, saying propositions are consistent if they could be true together [Melia] |
| 5737 | Predicate logic has connectives, quantifiers, variables, predicates, equality, names and brackets [Melia] |
| 5744 | First-order predicate calculus is extensional logic, but quantified modal logic is intensional (hence dubious) [Melia] |
| 9244 | Logic is easy, but what about logic to the point of death? [Camus] |
| 5740 | Second-order logic needs second-order variables and quantification into predicate position [Melia] |
| 5741 | If every model that makes premises true also makes conclusion true, the argument is valid [Melia] |
| 5736 | No sort of plain language or levels of logic can express modal facts properly [Melia] |
| 5735 | Maybe names and predicates can capture any fact [Melia] |
| 5746 | The Identity of Indiscernibles is contentious for qualities, and trivial for non-qualities [Melia] |
| 5738 | We may be sure that P is necessary, but is it necessarily necessary? [Melia] |
| 5732 | 'De re' modality is about things themselves, 'de dicto' modality is about propositions [Melia] |
| 5739 | Sometimes we want to specify in what ways a thing is possible [Melia] |
| 3013 | Nothing is stronger than necessity, which rules everything [Thales, by Diog. Laertius] |
| 5734 | Possible worlds make it possible to define necessity and counterfactuals without new primitives [Melia] |
| 5742 | In possible worlds semantics the modal operators are treated as quantifiers [Melia] |
| 5743 | If possible worlds semantics is not realist about possible worlds, logic becomes merely formal [Melia] |
| 5749 | Possible worlds could be real as mathematics, propositions, properties, or like books [Melia] |
| 5751 | The truth of propositions at possible worlds are implied by the world, just as in books [Melia] |
| 9249 | Whether we are free is uninteresting; we can only experience our freedom [Camus] |
| 9253 | The human heart has a tiresome tendency to label as fate only what crushes it [Camus] |
| 5748 | We accept unverifiable propositions because of simplicity, utility, explanation and plausibility [Melia] |
| 9250 | Discussing ethics is pointless; moral people behave badly, and integrity doesn't need rules [Camus] |
| 9252 | The more one loves the stronger the absurd grows [Camus] |
| 9251 | One can be virtuous through a whim [Camus] |
| 6708 | Happiness and the absurd go together, each leading to the other [Camus] |
| 9243 | If we believe existence is absurd, this should dictate our conduct [Camus] |
| 9242 | Essential problems either risk death, or intensify the passion of life [Camus] |
| 9246 | Danger and integrity are not in the leap of faith, but in remaining poised just before the leap [Camus] |
| 9248 | It is essential to die unreconciled and not of one's own free will [Camus] |
| 1494 | Thales said water is the first principle, perhaps from observing that food is moist [Thales, by Aristotle] |
| 1713 | Thales must have thought soul causes movement, since he thought magnets have soul [Thales, by Aristotle] |
| 1742 | Thales said the gods know our wrong thoughts as well as our evil actions [Thales, by Diog. Laertius] |