15 ideas
15873 | Laws of nature are just records of regularities and correlations, with concepts to make recording them easier [Mach, by Harré] |
18767 | Free logics has terms that do not designate real things, and even empty domains [Anderson,CA] |
18763 | Basic variables in second-order logic are taken to range over subsets of the individuals [Anderson,CA] |
18771 | Stop calling ∃ the 'existential' quantifier, read it as 'there is...', and range over all entities [Anderson,CA] |
18769 | Do mathematicians use 'existence' differently when they say some entity exists? [Anderson,CA] |
9052 | Vague predicates lack application; there are no borderline cases; vague F is not F [Unger, by Keefe/Smith] |
18770 | We can distinguish 'ontological' from 'existential' commitment, for different kinds of being [Anderson,CA] |
18766 | 's is non-existent' cannot be said if 's' does not designate [Anderson,CA] |
18768 | We cannot pick out a thing and deny its existence, but we can say a concept doesn't correspond [Anderson,CA] |
16070 | There are no objects with proper parts; there are only mereological simples [Unger, by Wasserman] |
18765 | Individuation was a problem for medievals, then Leibniz, then Frege, then Wittgenstein (somewhat) [Anderson,CA] |
18764 | The notion of 'property' is unclear for a logical version of the Identity of Indiscernibles [Anderson,CA] |
8724 | The meaning of 'know' does not change from courtroom to living room [Unger] |
8722 | No one knows anything, and no one is ever justified or reasonable [Unger] |
8723 | An evil scientist may give you a momentary life, with totally false memories [Unger] |