12 ideas
13338 | '"It is snowing" is true if and only if it is snowing' is a partial definition of the concept of truth [Tarski] |
12129 | 'Truth' may only apply within a theory [Kuhn] |
13337 | A language: primitive terms, then definition rules, then sentences, then axioms, and finally inference rules [Tarski] |
13335 | Semantics is the concepts of connections of language to reality, such as denotation, definition and truth [Tarski] |
13336 | A language containing its own semantics is inconsistent - but we can use a second language [Tarski] |
13339 | A sentence is satisfied when we can assert the sentence when the variables are assigned [Tarski] |
13340 | Satisfaction is the easiest semantical concept to define, and the others will reduce to it [Tarski] |
13341 | Using the definition of truth, we can prove theories consistent within sound logics [Tarski] |
9103 | A universal is not a real feature of objects, but only a thought-object in the mind [William of Ockham] |
6809 | Kuhn came to accept that all scientists agree on a particular set of values [Kuhn, by Bird] |
12128 | In theory change, words shift their natural reference, so the theories are incommensurable [Kuhn] |
9104 | A universal is the result of abstraction, which is only a kind of mental picturing [William of Ockham] |