27 ideas
19115 | You can 'rebut' an argument's conclusion, or 'undercut' its premises [Antonelli] |
19119 | We infer that other objects are like some exceptional object, if they share some of its properties [Antonelli] |
19111 | Reasoning may be defeated by new premises, or by finding out more about the given ones [Antonelli] |
19113 | Weakest Link Principle: prefer the argument whose weakest link is the stronger [Antonelli] |
19114 | Should we accept Floating Conclusions, derived from two arguments in conflict? [Antonelli] |
19116 | Non-monotonic core: Reflexivity, Cut, Cautious Monotonicity, Left Logical Equivalence, Right Weakening [Antonelli] |
19117 | We can rank a formula by the level of surprise if it were to hold [Antonelli] |
19118 | People don't actually use classical logic, but may actually use non-monotonic logic [Antonelli] |
19110 | In classical logic the relation |= has Monotony built into its definition [Antonelli] |
19112 | Cautious Monotony ignores proved additions; Rational Monotony fails if the addition's negation is proved [Antonelli] |
19419 | Not all of perception is accompanied by consciousness [Leibniz] |
19421 | Souls act as if there were no bodies, and bodies act as if there were no souls [Leibniz] |
2705 | How can intuitionists distinguish universal convictions from local cultural ones? [Hare] |
2712 | You can't use intuitions to decide which intuitions you should cultivate [Hare] |
2706 | Emotivists mistakenly think all disagreements are about facts, and so there are no moral reasons [Hare] |
2708 | An 'ought' statement implies universal application [Hare] |
2704 | If morality is just a natural or intuitive description, that leads to relativism [Hare] |
2703 | Descriptivism say ethical meaning is just truth-conditions; prescriptivism adds an evaluation [Hare] |
2707 | If there can be contradictory prescriptions, then reasoning must be involved [Hare] |
2709 | Prescriptivism sees 'ought' statements as imperatives which are universalisable [Hare] |
2711 | Prescriptivism implies a commitment, but descriptivism doesn't [Hare] |
19420 | Death and generation are just transformations of an animal, augmented or diminished [Leibniz] |
2710 | Moral judgements must invoke some sort of principle [Hare] |
19416 | Not all of matter is animated, any more than a pond full of living fish is animated [Leibniz] |
19422 | Every particle of matter contains organic bodies [Leibniz] |
19418 | Mechanics shows that all motion originates in other motion, so there is a Prime Mover [Leibniz] |
19417 | All substances are in harmony, even though separate, so they must have one divine cause [Leibniz] |