42 ideas
22496 | Wisdom only implies the knowledge achievable in any normal lifetime [Foot] |
23064 | So-called wisdom is just pondering things instead of acting [Cioran] |
23072 | Systems are the worst despotism, in philosophy and in life [Cioran] |
23075 | A text explained ceases to be a text [Cioran] |
13838 | A decent modern definition should always imply a semantics [Hacking] |
13833 | 'Thinning' ('dilution') is the key difference between deduction (which allows it) and induction [Hacking] |
13834 | Gentzen's Cut Rule (or transitivity of deduction) is 'If A |- B and B |- C, then A |- C' [Hacking] |
13835 | Only Cut reduces complexity, so logic is constructive without it, and it can be dispensed with [Hacking] |
13845 | The various logics are abstractions made from terms like 'if...then' in English [Hacking] |
13840 | First-order logic is the strongest complete compact theory with Löwenheim-Skolem [Hacking] |
13844 | A limitation of first-order logic is that it cannot handle branching quantifiers [Hacking] |
13842 | Second-order completeness seems to need intensional entities and possible worlds [Hacking] |
13837 | With a pure notion of truth and consequence, the meanings of connectives are fixed syntactically [Hacking] |
23066 | Negation doesn't arise from reasoning, but from deep instincts [Cioran] |
13839 | Perhaps variables could be dispensed with, by arrows joining places in the scope of quantifiers [Hacking] |
13843 | If it is a logic, the Löwenheim-Skolem theorem holds for it [Hacking] |
23077 | The word 'being' is very tempting, but in fact means nothing at all [Cioran] |
23068 | People who really believe anti-realism don't bother to prove it [Cioran] |
23073 | Convictions are failures to study anything thoroughly [Cioran] |
23078 | Opinions are fine, but having convictions means something has gone wrong [Cioran] |
23076 | If people always acted without words we would take them for robots [Cioran] |
23065 | If only we could write like a reptile, of endless sensations and no concepts! [Cioran] |
23694 | All criterions of practical rationality derive from goodness of will [Foot] |
23071 | We could only be responsible if we had consented before birth to who we are [Cioran] |
23070 | We morally dissolve if we spend time with excessive beauty [Cioran] |
23686 | Moral reason is not just neutral, because morality is part of the standard of rationality [Foot, by Hacker-Wright] |
23693 | Practical rationality must weigh both what is morally and what is non-morally required [Foot] |
23687 | Moral virtues arise from human nature, as part of what makes us good human beings [Foot, by Hacker-Wright] |
22493 | Sterility is a human defect, but the choice to be childless is not [Foot] |
22492 | Virtues are as necessary to humans as stings are to bees [Foot] |
22491 | Moral evaluations are not separate from facts, but concern particular facts about functioning [Foot] |
22497 | Deep happiness usually comes from the basic things in life [Foot] |
22498 | Happiness is enjoying the pursuit and attainment of right ends [Foot] |
23695 | Good actions can never be justified by the good they brings to their agent [Foot] |
22499 | We all know that just pretending to be someone's friend is not the good life [Foot] |
22495 | Someone is a good person because of their rational will, not their body or memory [Foot] |
23074 | In anxiety people cling to what reinforces it, because it is a deep need [Cioran] |
23062 | It is better to watch the hours pass, than trying to fill them [Cioran] |
23069 | Fear cures boredom, because it is stronger [Cioran] |
22502 | Refraining from murder is not made good by authenticity or self-fulfilment [Foot] |
23067 | Suicide is pointless, because it always comes too late [Cioran] |
23063 | The first man obviously found paradise unendurable [Cioran] |