24 ideas
8472 | Sentential logic is consistent (no contradictions) and complete (entirely provable) [Orenstein] |
8476 | Axiomatization simply picks from among the true sentences a few to play a special role [Orenstein] |
8480 | S4: 'poss that poss that p' implies 'poss that p'; S5: 'poss that nec that p' implies 'nec that p' [Orenstein] |
8474 | Unlike elementary logic, set theory is not complete [Orenstein] |
8465 | Mereology has been exploited by some nominalists to achieve the effects of set theory [Orenstein] |
8452 | Traditionally, universal sentences had existential import, but were later treated as conditional claims [Orenstein] |
8475 | The substitution view of quantification says a sentence is true when there is a substitution instance [Orenstein] |
8454 | The whole numbers are 'natural'; 'rational' numbers include fractions; the 'reals' include root-2 etc. [Orenstein] |
8473 | The logicists held that is-a-member-of is a logical constant, making set theory part of logic [Orenstein] |
3509 | Externalism may be the key idea in philosophical naturalism [Papineau] |
8458 | Just individuals in Nominalism; add sets for Extensionalism; add properties, concepts etc for Intensionalism [Orenstein] |
16620 | A chair is wood, and its shape is the form; it isn't 'compounded' of the matter and form [Hobbes] |
16622 | Essence is just an artificial word from logic, giving a way of thinking about substances [Hobbes] |
8457 | The Principle of Conservatism says we should violate the minimum number of background beliefs [Orenstein] |
3513 | How does a dualist mind represent, exist outside space, and be transparent to itself? [Papineau] |
3514 | Functionalism needs causation and intentionality to explain actions [Papineau] |
3510 | Epiphenomenalism is supervenience without physicalism [Papineau] |
3511 | Supervenience requires all mental events to have physical effects [Papineau] |
3515 | Knowing what it is like to be something only involves being (physically) that thing [Papineau] |
3512 | If a mental state is multiply realisable, why does it lead to similar behaviour? [Papineau] |
8477 | People presume meanings exist because they confuse meaning and reference [Orenstein] |
8471 | Three ways for 'Socrates is human' to be true are nominalist, platonist, or Montague's way [Orenstein] |
8484 | If two people believe the same proposition, this implies the existence of propositions [Orenstein] |
3516 | The Private Language argument only means people may misjudge their experiences [Papineau] |