36 ideas
| 3972 | Truth and objectivity depend on a community of speakers to interpret what they mean [Davidson] |
| 3969 | There are no ultimate standards of rationality, since we only assess others by our own standard [Davidson] |
| 18806 | Frege thought traditional categories had psychological and linguistic impurities [Frege, by Rumfitt] |
| 23445 | Naïve set theory says any formula defines a set, and coextensive sets are identical [Linnebo] |
| 8490 | First-level functions have objects as arguments; second-level functions take functions as arguments [Frege] |
| 8492 | Relations are functions with two arguments [Frege] |
| 23447 | In classical semantics singular terms refer, and quantifiers range over domains [Linnebo] |
| 23443 | The axioms of group theory are not assertions, but a definition of a structure [Linnebo] |
| 23444 | To investigate axiomatic theories, mathematics needs its own foundational axioms [Linnebo] |
| 23446 | You can't prove consistency using a weaker theory, but you can use a consistent theory [Linnebo] |
| 23448 | Mathematics is the study of all possible patterns, and is thus bound to describe the world [Linnebo] |
| 8487 | Arithmetic is a development of logic, so arithmetical symbolism must expand into logical symbolism [Frege] |
| 23441 | Logical truth is true in all models, so mathematical objects can't be purely logical [Linnebo] |
| 23442 | Game Formalism has no semantics, and Term Formalism reduces the semantics [Linnebo] |
| 18899 | Frege takes the existence of horses to be part of their concept [Frege, by Sommers] |
| 4028 | Frege allows either too few properties (as extensions) or too many (as predicates) [Mellor/Oliver on Frege] |
| 8489 | The concept 'object' is too simple for analysis; unlike a function, it is an expression with no empty place [Frege] |
| 3960 | There are no such things as minds, but people have mental properties [Davidson] |
| 3964 | If the mind is an anomaly, this makes reduction of the mental to the physical impossible [Davidson] |
| 3961 | Obviously all mental events are causally related to physical events [Davidson] |
| 3963 | There are no strict psychophysical laws connecting mental and physical events [Davidson] |
| 3965 | Mental entities do not add to the physical furniture of the world [Davidson] |
| 3966 | The correct conclusion is ontological monism combined with conceptual dualism [Davidson] |
| 3967 | Absence of all rationality would be absence of thought [Davidson] |
| 3974 | Our meanings are partly fixed by events of which we may be ignorant [Davidson] |
| 9947 | Concepts are the ontological counterparts of predicative expressions [Frege, by George/Velleman] |
| 10319 | An assertion about the concept 'horse' must indirectly speak of an object [Frege, by Hale] |
| 8488 | A concept is a function whose value is always a truth-value [Frege] |
| 9948 | Unlike objects, concepts are inherently incomplete [Frege, by George/Velleman] |
| 4972 | I may regard a thought about Phosphorus as true, and the same thought about Hesperus as false [Frege] |
| 3968 | Propositions explain nothing without an explanation of how sentences manage to name them [Davidson] |
| 3970 | Thought is only fully developed if we communicate with others [Davidson] |
| 3971 | There is simply no alternative to the 'principle of charity' in interpreting what others do [Davidson] |
| 3973 | Without a teacher, the concept of 'getting things right or wrong' is meaningless [Davidson] |
| 3962 | Cause and effect relations between events must follow strict laws [Davidson] |
| 8491 | The Ontological Argument fallaciously treats existence as a first-level concept [Frege] |