25 ideas
| 9766 | Study vagueness first by its logic, then by its truth-conditions, and then its metaphysics [Fine,K] |
| 13886 | Later Frege held that definitions must fix a function's value for every possible argument [Frege, by Wright,C] |
| 9845 | We can't define a word by defining an expression containing it, as the remaining parts are a problem [Frege] |
| 10019 | Only what is logically complex can be defined; what is simple must be pointed to [Frege] |
| 9775 | Excluded Middle, and classical logic, may fail for vague predicates [Fine,K] |
| 9771 | Logic holding between indefinite sentences is the core of all language [Fine,K] |
| 9886 | Cardinals say how many, and reals give measurements compared to a unit quantity [Frege] |
| 9889 | Real numbers are ratios of quantities [Frege, by Dummett] |
| 10553 | A number is a class of classes of the same cardinality [Frege, by Dummett] |
| 10020 | Frege's biggest error is in not accounting for the senses of number terms [Hodes on Frege] |
| 9887 | Formalism misunderstands applications, metatheory, and infinity [Frege, by Dummett] |
| 8751 | Only applicability raises arithmetic from a game to a science [Frege] |
| 9768 | Vagueness is semantic, a deficiency of meaning [Fine,K] |
| 9776 | A thing might be vaguely vague, giving us higher-order vagueness [Fine,K] |
| 9767 | A vague sentence is only true for all ways of making it completely precise [Fine,K] |
| 9770 | Logical connectives cease to be truth-functional if vagueness is treated with three values [Fine,K] |
| 9772 | Meaning is both actual (determining instances) and potential (possibility of greater precision) [Fine,K] |
| 9773 | With the super-truth approach, the classical connectives continue to work [Fine,K] |
| 9774 | Borderline cases must be under our control, as capable of greater precision [Fine,K] |
| 9769 | Vagueness can be in predicates, names or quantifiers [Fine,K] |
| 9891 | The first demand of logic is of a sharp boundary [Frege] |
| 9890 | The modern account of real numbers detaches a ratio from its geometrical origins [Frege] |
| 11846 | If we abstract the difference between two houses, they don't become the same house [Frege] |
| 1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
| 5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |