16 ideas
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] |
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] |
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] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
20878 | We can discuss the criteria of a judgment, or the weight given to them, or their application [LaFollette] |
20877 | Errors in moral practice might be inconsistent or inappropriate principles, or inappropriate application [LaFollette] |
20881 | The act/omission distinction is important for duties, but less so for consequences [LaFollette] |
20886 | Are we only obligated by agreement, or should we always help the weak? [LaFollette] |
20880 | Should people be forced to make choices? [LaFollette] |
20879 | Too many options may open us to unwanted pressures, like being paid very little [LaFollette] |