23 ideas
18859 | Metaphysics is a quest for truthmakers [Tallant] |
18861 | Maybe number statements can be paraphrased into quantifications plus identities [Tallant] |
18866 | Maybe only 'positive' truths need truth-makers [Tallant] |
18860 | A truthmaker is the minimal portion of reality that will do the job [Tallant] |
18863 | What is the truthmaker for a possible new power? [Tallant] |
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] |
8458 | Just individuals in Nominalism; add sets for Extensionalism; add properties, concepts etc for Intensionalism [Orenstein] |
18864 | The wisdom of Plato and of Socrates are not the same property [Tallant] |
18865 | Substance must have two properties: individuation, and property-bearing [Tallant] |
8457 | The Principle of Conservatism says we should violate the minimum number of background beliefs [Orenstein] |
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] |
18862 | Are propositions all the thoughts and sentences that are possible? [Tallant] |
8484 | If two people believe the same proposition, this implies the existence of propositions [Orenstein] |
1513 | The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus] |