16 ideas
17311 | Real definitions don't just single out a thing; they must also explain its essence [Koslicki] |
14249 | Boolos reinterprets second-order logic as plural logic [Boolos, by Oliver/Smiley] |
10830 | Second-order logic metatheory is set-theoretic, and second-order validity has set-theoretic problems [Boolos] |
10829 | A sentence can't be a truth of logic if it asserts the existence of certain sets [Boolos] |
10832 | '∀x x=x' only means 'everything is identical to itself' if the range of 'everything' is fixed [Boolos] |
10834 | Weak completeness: if it is valid, it is provable. Strong: it is provable from a set of sentences [Boolos] |
13841 | Why should compactness be definitive of logic? [Boolos, by Hacking] |
17312 | It is more explanatory if you show how a number is constructed from basic entities and relations [Koslicki] |
10833 | Many concepts can only be expressed by second-order logic [Boolos] |
17314 | The relata of grounding are propositions or facts, but for dependence it is objects and their features [Koslicki] |
17313 | Modern views want essences just to individuate things across worlds and times [Koslicki] |
17309 | For Fine, essences are propositions true because of identity, so they are just real definitions [Koslicki] |
17315 | We need a less propositional view of essence, and so must distinguish it clearly from real definitions [Koslicki] |
17317 | A good explanation captures the real-world dependence among the phenomena [Koslicki] |
17316 | We can abstract to a dependent entity by blocking out features of its bearer [Koslicki] |
467 | A virtue is a combination of intelligence, strength and luck [Ion] |