13 ideas
22361 | Contextual values are acceptable in research, but not in its final evaluation [Reichenbach, by Reiss/Sprenger] |
18755 | Validity is explained as truth in all models, because that relies on the logical terms [McGee] |
18751 | Natural language includes connectives like 'because' which are not truth-functional [McGee] |
18761 | Second-order variables need to range over more than collections of first-order objects [McGee] |
18753 | An ontologically secure semantics for predicate calculus relies on sets [McGee] |
18754 | Logically valid sentences are analytic truths which are just true because of their logical words [McGee] |
18757 | Soundness theorems are uninformative, because they rely on soundness in their proofs [McGee] |
18760 | The culmination of Euclidean geometry was axioms that made all models isomorphic [McGee] |
18278 | Kant showed that our perceptions are partly constructed from our concepts [Reichenbach] |
18762 | A maxim claims that if we are allowed to assert a sentence, that means it must be true [McGee] |
1497 | For Anaximenes nature is air, which takes different forms by rarefaction and condensation [Anaximenes, by Simplicius] |
8410 | A theory of causal relations yields an asymmetry which defines the direction of time [Reichenbach, by Salmon] |
14935 | The direction of time is grounded in the direction of causation [Reichenbach, by Ladyman/Ross] |